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Finding the Fourth Proportional to 83,262, 124,934.01 and 38,882.30

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Solution

The fourth proportional to 83,262, 124,934.01 and 38,882.30 is: 58,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,262 : 124,934.01 = 38,882.30 : x
  2. Step 2: Convert to fraction form
    83,262/124,934.01 = 38,882.30/x
  3. Step 3: Cross multiply
    83,262x = 124,934.01 × 38,882.30
  4. Step 4: Simplify right side
    83,262x = 4,857,721,462.61
  5. Step 5: Solve for x
    x = 4,857,721,462.61/83,262
  6. Step 6: Final answer
    x = 58,342.60

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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.