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Finding the Fourth Proportional to 83,489.66, 125,229.63 and 27,366.38

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Solution

The fourth proportional to 83,489.66, 125,229.63 and 27,366.38 is: 41,047.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,489.66 : 125,229.63 = 27,366.38 : x
  2. Step 2: Convert to fraction form
    83,489.66/125,229.63 = 27,366.38/x
  3. Step 3: Cross multiply
    83,489.66x = 125,229.63 × 27,366.38
  4. Step 4: Simplify right side
    83,489.66x = 3,427,081,641.84
  5. Step 5: Solve for x
    x = 3,427,081,641.84/83,489.66
  6. Step 6: Final answer
    x = 41,047.98

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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.