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Finding the Fourth Proportional to 169,167.81, 233,451.46 and 92,691.86

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Solution

The fourth proportional to 169,167.81, 233,451.46 and 92,691.86 is: 127,914.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,167.81 : 233,451.46 = 92,691.86 : x
  2. Step 2: Convert to fraction form
    169,167.81/233,451.46 = 92,691.86/x
  3. Step 3: Cross multiply
    169,167.81x = 233,451.46 × 92,691.86
  4. Step 4: Simplify right side
    169,167.81x = 21,639,049,231.76
  5. Step 5: Solve for x
    x = 21,639,049,231.76/169,167.81
  6. Step 6: Final answer
    x = 127,914.70

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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.