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Finding the Fourth Proportional to 168,031.68, 251,632.52 and 125,234.49

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Solution

The fourth proportional to 168,031.68, 251,632.52 and 125,234.49 is: 187,542.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,031.68 : 251,632.52 = 125,234.49 : x
  2. Step 2: Convert to fraction form
    168,031.68/251,632.52 = 125,234.49/x
  3. Step 3: Cross multiply
    168,031.68x = 251,632.52 × 125,234.49
  4. Step 4: Simplify right side
    168,031.68x = 31,513,070,309.61
  5. Step 5: Solve for x
    x = 31,513,070,309.61/168,031.68
  6. Step 6: Final answer
    x = 187,542.43

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.