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Finding the Fourth Proportional to 111,861.92, 167,819.14 and 36,982.04

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Solution

The fourth proportional to 111,861.92, 167,819.14 and 36,982.04 is: 55,481.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,861.92 : 167,819.14 = 36,982.04 : x
  2. Step 2: Convert to fraction form
    111,861.92/167,819.14 = 36,982.04/x
  3. Step 3: Cross multiply
    111,861.92x = 167,819.14 × 36,982.04
  4. Step 4: Simplify right side
    111,861.92x = 6,206,294,148.25
  5. Step 5: Solve for x
    x = 6,206,294,148.25/111,861.92
  6. Step 6: Final answer
    x = 55,481.74

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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.