Lazio, as you said, will rightly fight to finish fourth in the league, they can do it, I consider Juventus a team that can no longer compete even in the league and it is easy that there is a problem and that they cannot finish the season even in the Champions League zone, I think that Roma can also surprise in this final part of the championship, everything will depend on what they do with Bilbao
Towards the end of the season the competition usually becomes fiercer. And usually a team that is considered inconsistent can change to become more consistent. Regarding Lazio and Juventus, I'm not sure which one will manage to finish in the top 4 in the end. But so far I personally see Juventus a little better. Lazio has indeed won more wins this season in Serie A than Juventus. But Lazio also has a record of more defeats than Juventus this season. So I might still think Juventus will maintain its top 4 ranking. But because there are still around 10 games left in the season, drastic changes could occur at the end of the season.
Meanwhile, AS Roma has indeed improved and continues to improve their standings. And AS Roma in the European league also has quite big hopes. so yeah I hope the best for the team.