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Finding the Fourth Proportional to 221,633.28, 332,372.48 and 63,819.52

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Solution

The fourth proportional to 221,633.28, 332,372.48 and 63,819.52 is: 95,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,633.28 : 332,372.48 = 63,819.52 : x
  2. Step 2: Convert to fraction form
    221,633.28/332,372.48 = 63,819.52/x
  3. Step 3: Cross multiply
    221,633.28x = 332,372.48 × 63,819.52
  4. Step 4: Simplify right side
    221,633.28x = 21,211,852,134.81
  5. Step 5: Solve for x
    x = 21,211,852,134.81/221,633.28
  6. Step 6: Final answer
    x = 95,706.98

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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.