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Finding the Fourth Proportional to 111,463.39, 167,209.05 and 36,591.31

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Solution

The fourth proportional to 111,463.39, 167,209.05 and 36,591.31 is: 54,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,463.39 : 167,209.05 = 36,591.31 : x
  2. Step 2: Convert to fraction form
    111,463.39/167,209.05 = 36,591.31/x
  3. Step 3: Cross multiply
    111,463.39x = 167,209.05 × 36,591.31
  4. Step 4: Simplify right side
    111,463.39x = 6,118,398,183.36
  5. Step 5: Solve for x
    x = 6,118,398,183.36/111,463.39
  6. Step 6: Final answer
    x = 54,891.55

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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.