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Finding the Fourth Proportional to 167,500.80, 251,251.20 and 144,691.20

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Solution

The fourth proportional to 167,500.80, 251,251.20 and 144,691.20 is: 217,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,500.80 : 251,251.20 = 144,691.20 : x
  2. Step 2: Convert to fraction form
    167,500.80/251,251.20 = 144,691.20/x
  3. Step 3: Cross multiply
    167,500.80x = 251,251.20 × 144,691.20
  4. Step 4: Simplify right side
    167,500.80x = 36,353,837,629.44
  5. Step 5: Solve for x
    x = 36,353,837,629.44/167,500.80
  6. Step 6: Final answer
    x = 217,036.80

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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.