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Finding the Fourth Proportional to 167,061.87, 250,717.35 and 67,222.91

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Solution

The fourth proportional to 167,061.87, 250,717.35 and 67,222.91 is: 100,884.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,061.87 : 250,717.35 = 67,222.91 : x
  2. Step 2: Convert to fraction form
    167,061.87/250,717.35 = 67,222.91/x
  3. Step 3: Cross multiply
    167,061.87x = 250,717.35 × 67,222.91
  4. Step 4: Simplify right side
    167,061.87x = 16,853,948,600.90
  5. Step 5: Solve for x
    x = 16,853,948,600.90/167,061.87
  6. Step 6: Final answer
    x = 100,884.47

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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.