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Finding the Fourth Proportional to 109,168.62, 163,701.01 and 38,082.61

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Solution

The fourth proportional to 109,168.62, 163,701.01 and 38,082.61 is: 57,105.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,168.62 : 163,701.01 = 38,082.61 : x
  2. Step 2: Convert to fraction form
    109,168.62/163,701.01 = 38,082.61/x
  3. Step 3: Cross multiply
    109,168.62x = 163,701.01 × 38,082.61
  4. Step 4: Simplify right side
    109,168.62x = 6,234,161,720.44
  5. Step 5: Solve for x
    x = 6,234,161,720.44/109,168.62
  6. Step 6: Final answer
    x = 57,105.80

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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.