In this task, you are given a list. This list contains many lists of integers. The list is several items written within a []. Your task is to find the maximum number among the members of each inner list. The output should be a list comprised of the maximums with the same order as the internal lists.
[[-65, 8, -142], [44, -199, -17, -4, -109, -160, 100], [-60, -125, -177, -13, -89], [-150, -183, -175, -75]]