Finding the Fourth Proportional to 113,972.46, 170,805.87 and 88,702.49
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Solution
The fourth proportional to 113,972.46, 170,805.87 and 88,702.49 is: 132,934.81
Step by Step Solution
- Step 1: Write the proportion equation
113,972.46 : 170,805.87 = 88,702.49 : x - Step 2: Convert to fraction form
113,972.46/170,805.87 = 88,702.49/x - Step 3: Cross multiply
113,972.46x = 170,805.87 × 88,702.49 - Step 4: Simplify right side
113,972.46x = 15,150,906,652.11 - Step 5: Solve for x
x = 15,150,906,652.11/113,972.46 - Step 6: Final answer
x = 132,934.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.