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Finding the Fourth Proportional to 111,545.58, 167,255.49 and 36,645.61

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Solution

The fourth proportional to 111,545.58, 167,255.49 and 36,645.61 is: 54,947.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,545.58 : 167,255.49 = 36,645.61 : x
  2. Step 2: Convert to fraction form
    111,545.58/167,255.49 = 36,645.61/x
  3. Step 3: Cross multiply
    111,545.58x = 167,255.49 × 36,645.61
  4. Step 4: Simplify right side
    111,545.58x = 6,129,179,910.86
  5. Step 5: Solve for x
    x = 6,129,179,910.86/111,545.58
  6. Step 6: Final answer
    x = 54,947.76

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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.