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Finding the Fourth Proportional to 67,572.50, 93,229.58 and 47,154.02

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Solution

The fourth proportional to 67,572.50, 93,229.58 and 47,154.02 is: 65,058.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,572.50 : 93,229.58 = 47,154.02 : x
  2. Step 2: Convert to fraction form
    67,572.50/93,229.58 = 47,154.02/x
  3. Step 3: Cross multiply
    67,572.50x = 93,229.58 × 47,154.02
  4. Step 4: Simplify right side
    67,572.50x = 4,396,149,131.65
  5. Step 5: Solve for x
    x = 4,396,149,131.65/67,572.50
  6. Step 6: Final answer
    x = 65,058.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.