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Finding the Fourth Proportional to 167,892.46, 231,691.80 and 92,440.96

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Solution

The fourth proportional to 167,892.46, 231,691.80 and 92,440.96 is: 127,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,892.46 : 231,691.80 = 92,440.96 : x
  2. Step 2: Convert to fraction form
    167,892.46/231,691.80 = 92,440.96/x
  3. Step 3: Cross multiply
    167,892.46x = 231,691.80 × 92,440.96
  4. Step 4: Simplify right side
    167,892.46x = 21,417,812,416.13
  5. Step 5: Solve for x
    x = 21,417,812,416.13/167,892.46
  6. Step 6: Final answer
    x = 127,568.64

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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.