Finding the Fourth Proportional to 116,557.24, 160,874.46 and 74,107.48
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Solution
The fourth proportional to 116,557.24, 160,874.46 and 74,107.48 is: 102,284.52
Step by Step Solution
- Step 1: Write the proportion equation
116,557.24 : 160,874.46 = 74,107.48 : x - Step 2: Convert to fraction form
116,557.24/160,874.46 = 74,107.48/x - Step 3: Cross multiply
116,557.24x = 160,874.46 × 74,107.48 - Step 4: Simplify right side
116,557.24x = 11,922,000,826.96 - Step 5: Solve for x
x = 11,922,000,826.96/116,557.24 - Step 6: Final answer
x = 102,284.52
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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.