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Finding the Fourth Proportional to 166,902.71, 250,326.92 and 54,581.22

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Solution

The fourth proportional to 166,902.71, 250,326.92 and 54,581.22 is: 81,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,902.71 : 250,326.92 = 54,581.22 : x
  2. Step 2: Convert to fraction form
    166,902.71/250,326.92 = 54,581.22/x
  3. Step 3: Cross multiply
    166,902.71x = 250,326.92 × 54,581.22
  4. Step 4: Simplify right side
    166,902.71x = 13,663,148,828.90
  5. Step 5: Solve for x
    x = 13,663,148,828.90/166,902.71
  6. Step 6: Final answer
    x = 81,862.96

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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.