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Finding the Fourth Proportional to 59,543.72, 89,310.07 and 20,101.17

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Solution

The fourth proportional to 59,543.72, 89,310.07 and 20,101.17 is: 30,149.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,543.72 : 89,310.07 = 20,101.17 : x
  2. Step 2: Convert to fraction form
    59,543.72/89,310.07 = 20,101.17/x
  3. Step 3: Cross multiply
    59,543.72x = 89,310.07 × 20,101.17
  4. Step 4: Simplify right side
    59,543.72x = 1,795,236,899.78
  5. Step 5: Solve for x
    x = 1,795,236,899.78/59,543.72
  6. Step 6: Final answer
    x = 30,149.89

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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.