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Finding the Fourth Proportional to 125,343.48, 187,978.20 and 36,569.04

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Solution

The fourth proportional to 125,343.48, 187,978.20 and 36,569.04 is: 54,842.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,343.48 : 187,978.20 = 36,569.04 : x
  2. Step 2: Convert to fraction form
    125,343.48/187,978.20 = 36,569.04/x
  3. Step 3: Cross multiply
    125,343.48x = 187,978.20 × 36,569.04
  4. Step 4: Simplify right side
    125,343.48x = 6,874,182,314.93
  5. Step 5: Solve for x
    x = 6,874,182,314.93/125,343.48
  6. Step 6: Final answer
    x = 54,842.76

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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.