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Finding the Fourth Proportional to 221,469.26, 332,191.98 and 109,037.39

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Solution

The fourth proportional to 221,469.26, 332,191.98 and 109,037.39 is: 163,550.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,469.26 : 332,191.98 = 109,037.39 : x
  2. Step 2: Convert to fraction form
    221,469.26/332,191.98 = 109,037.39/x
  3. Step 3: Cross multiply
    221,469.26x = 332,191.98 × 109,037.39
  4. Step 4: Simplify right side
    221,469.26x = 36,221,344,817.17
  5. Step 5: Solve for x
    x = 36,221,344,817.17/221,469.26
  6. Step 6: Final answer
    x = 163,550.22

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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.