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Finding the Fourth Proportional to 111,614.91, 167,446.61 and 36,742.66

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Solution

The fourth proportional to 111,614.91, 167,446.61 and 36,742.66 is: 55,121.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,614.91 : 167,446.61 = 36,742.66 : x
  2. Step 2: Convert to fraction form
    111,614.91/167,446.61 = 36,742.66/x
  3. Step 3: Cross multiply
    111,614.91x = 167,446.61 × 36,742.66
  4. Step 4: Simplify right side
    111,614.91x = 6,152,433,859.38
  5. Step 5: Solve for x
    x = 6,152,433,859.38/111,614.91
  6. Step 6: Final answer
    x = 55,121.97

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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.