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Finding the Fourth Proportional to 83,266.59, 124,976.43 and 59,909.43

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Solution

The fourth proportional to 83,266.59, 124,976.43 and 59,909.43 is: 89,919.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,266.59 : 124,976.43 = 59,909.43 : x
  2. Step 2: Convert to fraction form
    83,266.59/124,976.43 = 59,909.43/x
  3. Step 3: Cross multiply
    83,266.59x = 124,976.43 × 59,909.43
  4. Step 4: Simplify right side
    83,266.59x = 7,487,266,684.73
  5. Step 5: Solve for x
    x = 7,487,266,684.73/83,266.59
  6. Step 6: Final answer
    x = 89,919.22

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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.