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Finding the Fourth Proportional to 166,998.60, 250,497.90 and 109,917.90

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Solution

The fourth proportional to 166,998.60, 250,497.90 and 109,917.90 is: 164,876.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,998.60 : 250,497.90 = 109,917.90 : x
  2. Step 2: Convert to fraction form
    166,998.60/250,497.90 = 109,917.90/x
  3. Step 3: Cross multiply
    166,998.60x = 250,497.90 × 109,917.90
  4. Step 4: Simplify right side
    166,998.60x = 27,534,203,122.41
  5. Step 5: Solve for x
    x = 27,534,203,122.41/166,998.60
  6. Step 6: Final answer
    x = 164,876.85

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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.