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Finding the Fourth Proportional to 111,642.62, 167,474.45 and 36,732.20

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Solution

The fourth proportional to 111,642.62, 167,474.45 and 36,732.20 is: 55,101.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,642.62 : 167,474.45 = 36,732.20 : x
  2. Step 2: Convert to fraction form
    111,642.62/167,474.45 = 36,732.20/x
  3. Step 3: Cross multiply
    111,642.62x = 167,474.45 × 36,732.20
  4. Step 4: Simplify right side
    111,642.62x = 6,151,704,246.75
  5. Step 5: Solve for x
    x = 6,151,704,246.75/111,642.62
  6. Step 6: Final answer
    x = 55,101.76

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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.