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Finding the Fourth Proportional to 167,715.20, 251,572.80 and 88,983.20

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Solution

The fourth proportional to 167,715.20, 251,572.80 and 88,983.20 is: 133,474.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,715.20 : 251,572.80 = 88,983.20 : x
  2. Step 2: Convert to fraction form
    167,715.20/251,572.80 = 88,983.20/x
  3. Step 3: Cross multiply
    167,715.20x = 251,572.80 × 88,983.20
  4. Step 4: Simplify right side
    167,715.20x = 22,385,752,776.96
  5. Step 5: Solve for x
    x = 22,385,752,776.96/167,715.20
  6. Step 6: Final answer
    x = 133,474.80

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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.