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Finding the Fourth Proportional to 67,572.39, 101,247.27 and 23,174.78

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Solution

The fourth proportional to 67,572.39, 101,247.27 and 23,174.78 is: 34,723.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,572.39 : 101,247.27 = 23,174.78 : x
  2. Step 2: Convert to fraction form
    67,572.39/101,247.27 = 23,174.78/x
  3. Step 3: Cross multiply
    67,572.39x = 101,247.27 × 23,174.78
  4. Step 4: Simplify right side
    67,572.39x = 2,346,382,614.71
  5. Step 5: Solve for x
    x = 2,346,382,614.71/67,572.39
  6. Step 6: Final answer
    x = 34,723.98

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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.