The sum of the three numbers is 312, which can be divided by 7.8.9, and the quotient is the same The three numbers are (), () and (). What do you fill in the blanks?

The sum of the three numbers is 312, which can be divided by 7.8.9, and the quotient is the same The three numbers are (), () and (). What do you fill in the blanks?

91 104 117
Let the quotient be x, then 7x + 8x + 9x = 312 and x = 13
So the three numbers are:
7x=91
8x=104
9x=117