Finding the Fourth Proportional to 116,361.19, 160,577.13 and 68,629.92
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Solution
The fourth proportional to 116,361.19, 160,577.13 and 68,629.92 is: 94,708.52
Step by Step Solution
- Step 1: Write the proportion equation
116,361.19 : 160,577.13 = 68,629.92 : x - Step 2: Convert to fraction form
116,361.19/160,577.13 = 68,629.92/x - Step 3: Cross multiply
116,361.19x = 160,577.13 × 68,629.92 - Step 4: Simplify right side
116,361.19x = 11,020,395,585.73 - Step 5: Solve for x
x = 11,020,395,585.73/116,361.19 - Step 6: Final answer
x = 94,708.52
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.