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Finding the Fourth Proportional to 167,493.71, 231,155.49 and 92,057.87

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Solution

The fourth proportional to 167,493.71, 231,155.49 and 92,057.87 is: 127,047.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,493.71 : 231,155.49 = 92,057.87 : x
  2. Step 2: Convert to fraction form
    167,493.71/231,155.49 = 92,057.87/x
  3. Step 3: Cross multiply
    167,493.71x = 231,155.49 × 92,057.87
  4. Step 4: Simplify right side
    167,493.71x = 21,279,680,892.43
  5. Step 5: Solve for x
    x = 21,279,680,892.43/167,493.71
  6. Step 6: Final answer
    x = 127,047.65

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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.