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Finding the Fourth Proportional to 332,692.52, 499,181.76 and 108,121.79

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Solution

The fourth proportional to 332,692.52, 499,181.76 and 108,121.79 is: 162,229.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,692.52 : 499,181.76 = 108,121.79 : x
  2. Step 2: Convert to fraction form
    332,692.52/499,181.76 = 108,121.79/x
  3. Step 3: Cross multiply
    332,692.52x = 499,181.76 × 108,121.79
  4. Step 4: Simplify right side
    332,692.52x = 53,972,422,930.64
  5. Step 5: Solve for x
    x = 53,972,422,930.64/332,692.52
  6. Step 6: Final answer
    x = 162,229.15

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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.