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Finding the Fourth Proportional to 166,658.70, 250,027.68 and 54,339.66

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Solution

The fourth proportional to 166,658.70, 250,027.68 and 54,339.66 is: 81,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,658.70 : 250,027.68 = 54,339.66 : x
  2. Step 2: Convert to fraction form
    166,658.70/250,027.68 = 54,339.66/x
  3. Step 3: Cross multiply
    166,658.70x = 250,027.68 × 54,339.66
  4. Step 4: Simplify right side
    166,658.70x = 13,586,419,121.79
  5. Step 5: Solve for x
    x = 13,586,419,121.79/166,658.70
  6. Step 6: Final answer
    x = 81,522.41

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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.