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Finding the Fourth Proportional to 166,998.30, 250,497.45 and 154,167.90

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Solution

The fourth proportional to 166,998.30, 250,497.45 and 154,167.90 is: 231,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,998.30 : 250,497.45 = 154,167.90 : x
  2. Step 2: Convert to fraction form
    166,998.30/250,497.45 = 154,167.90/x
  3. Step 3: Cross multiply
    166,998.30x = 250,497.45 × 154,167.90
  4. Step 4: Simplify right side
    166,998.30x = 38,618,665,821.86
  5. Step 5: Solve for x
    x = 38,618,665,821.86/166,998.30
  6. Step 6: Final answer
    x = 231,251.85

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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.