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Finding the Fourth Proportional to 167,086.18, 250,753.80 and 67,247.20

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Solution

The fourth proportional to 167,086.18, 250,753.80 and 67,247.20 is: 100,920.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,086.18 : 250,753.80 = 67,247.20 : x
  2. Step 2: Convert to fraction form
    167,086.18/250,753.80 = 67,247.20/x
  3. Step 3: Cross multiply
    167,086.18x = 250,753.80 × 67,247.20
  4. Step 4: Simplify right side
    167,086.18x = 16,862,490,939.36
  5. Step 5: Solve for x
    x = 16,862,490,939.36/167,086.18
  6. Step 6: Final answer
    x = 100,920.92

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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.