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Finding the Fourth Proportional to 376,062.48, 564,084.42 and 91,755

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Solution

The fourth proportional to 376,062.48, 564,084.42 and 91,755 is: 137,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,062.48 : 564,084.42 = 91,755 : x
  2. Step 2: Convert to fraction form
    376,062.48/564,084.42 = 91,755/x
  3. Step 3: Cross multiply
    376,062.48x = 564,084.42 × 91,755
  4. Step 4: Simplify right side
    376,062.48x = 51,757,565,957.10
  5. Step 5: Solve for x
    x = 51,757,565,957.10/376,062.48
  6. Step 6: Final answer
    x = 137,630.23

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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.