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Finding the Fourth Proportional to 167,242.73, 250,872.39 and 67,389.57

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Solution

The fourth proportional to 167,242.73, 250,872.39 and 67,389.57 is: 101,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,242.73 : 250,872.39 = 67,389.57 : x
  2. Step 2: Convert to fraction form
    167,242.73/250,872.39 = 67,389.57/x
  3. Step 3: Cross multiply
    167,242.73x = 250,872.39 × 67,389.57
  4. Step 4: Simplify right side
    167,242.73x = 16,906,182,486.97
  5. Step 5: Solve for x
    x = 16,906,182,486.97/167,242.73
  6. Step 6: Final answer
    x = 101,087.70

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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.