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Finding the Fourth Proportional to 59,531.60, 89,167.80 and 36,117.20

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Solution

The fourth proportional to 59,531.60, 89,167.80 and 36,117.20 is: 54,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,531.60 : 89,167.80 = 36,117.20 : x
  2. Step 2: Convert to fraction form
    59,531.60/89,167.80 = 36,117.20/x
  3. Step 3: Cross multiply
    59,531.60x = 89,167.80 × 36,117.20
  4. Step 4: Simplify right side
    59,531.60x = 3,220,491,266.16
  5. Step 5: Solve for x
    x = 3,220,491,266.16/59,531.60
  6. Step 6: Final answer
    x = 54,097.17

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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.