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Finding the Fourth Proportional to 221,452.28, 332,231.00 and 71,692.59

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Solution

The fourth proportional to 221,452.28, 332,231.00 and 71,692.59 is: 107,555.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,452.28 : 332,231.00 = 71,692.59 : x
  2. Step 2: Convert to fraction form
    221,452.28/332,231.00 = 71,692.59/x
  3. Step 3: Cross multiply
    221,452.28x = 332,231.00 × 71,692.59
  4. Step 4: Simplify right side
    221,452.28x = 23,818,500,509.83
  5. Step 5: Solve for x
    x = 23,818,500,509.83/221,452.28
  6. Step 6: Final answer
    x = 107,555.91

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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.