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Finding the Fourth Proportional to 111,387.52, 167,115.92 and 36,508.32

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Solution

The fourth proportional to 111,387.52, 167,115.92 and 36,508.32 is: 54,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,387.52 : 167,115.92 = 36,508.32 : x
  2. Step 2: Convert to fraction form
    111,387.52/167,115.92 = 36,508.32/x
  3. Step 3: Cross multiply
    111,387.52x = 167,115.92 × 36,508.32
  4. Step 4: Simplify right side
    111,387.52x = 6,101,121,484.45
  5. Step 5: Solve for x
    x = 6,101,121,484.45/111,387.52
  6. Step 6: Final answer
    x = 54,773.83

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1.5x scale

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.