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Finding the Fourth Proportional to 83,237.61, 124,842.72 and 35,839.92

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Solution

The fourth proportional to 83,237.61, 124,842.72 and 35,839.92 is: 53,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,237.61 : 124,842.72 = 35,839.92 : x
  2. Step 2: Convert to fraction form
    83,237.61/124,842.72 = 35,839.92/x
  3. Step 3: Cross multiply
    83,237.61x = 124,842.72 × 35,839.92
  4. Step 4: Simplify right side
    83,237.61x = 4,474,353,097.38
  5. Step 5: Solve for x
    x = 4,474,353,097.38/83,237.61
  6. Step 6: Final answer
    x = 53,753.98

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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.