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Finding the Fourth Proportional to 111,691.26, 167,500.89 and 36,793.62

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Solution

The fourth proportional to 111,691.26, 167,500.89 and 36,793.62 is: 55,178.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,691.26 : 167,500.89 = 36,793.62 : x
  2. Step 2: Convert to fraction form
    111,691.26/167,500.89 = 36,793.62/x
  3. Step 3: Cross multiply
    111,691.26x = 167,500.89 × 36,793.62
  4. Step 4: Simplify right side
    111,691.26x = 6,162,964,096.32
  5. Step 5: Solve for x
    x = 6,162,964,096.32/111,691.26
  6. Step 6: Final answer
    x = 55,178.57

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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.