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Finding the Fourth Proportional to 221,404.70, 332,107.05 and 63,623.90

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Solution

The fourth proportional to 221,404.70, 332,107.05 and 63,623.90 is: 95,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,404.70 : 332,107.05 = 63,623.90 : x
  2. Step 2: Convert to fraction form
    221,404.70/332,107.05 = 63,623.90/x
  3. Step 3: Cross multiply
    221,404.70x = 332,107.05 × 63,623.90
  4. Step 4: Simplify right side
    221,404.70x = 21,129,945,738.50
  5. Step 5: Solve for x
    x = 21,129,945,738.50/221,404.70
  6. Step 6: Final answer
    x = 95,435.85

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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.