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Finding the Fourth Proportional to 167,753.28, 231,499.50 and 92,301.78

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Solution

The fourth proportional to 167,753.28, 231,499.50 and 92,301.78 is: 127,376.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,753.28 : 231,499.50 = 92,301.78 : x
  2. Step 2: Convert to fraction form
    167,753.28/231,499.50 = 92,301.78/x
  3. Step 3: Cross multiply
    167,753.28x = 231,499.50 × 92,301.78
  4. Step 4: Simplify right side
    167,753.28x = 21,367,815,919.11
  5. Step 5: Solve for x
    x = 21,367,815,919.11/167,753.28
  6. Step 6: Final answer
    x = 127,376.44

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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.