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Finding the Fourth Proportional to 166,788.96, 250,223.29 and 54,469.40

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Solution

The fourth proportional to 166,788.96, 250,223.29 and 54,469.40 is: 81,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,788.96 : 250,223.29 = 54,469.40 : x
  2. Step 2: Convert to fraction form
    166,788.96/250,223.29 = 54,469.40/x
  3. Step 3: Cross multiply
    166,788.96x = 250,223.29 × 54,469.40
  4. Step 4: Simplify right side
    166,788.96x = 13,629,512,472.33
  5. Step 5: Solve for x
    x = 13,629,512,472.33/166,788.96
  6. Step 6: Final answer
    x = 81,717.11

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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.