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Finding the Fourth Proportional to 221,432.76, 332,204.76 and 63,661.50

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Solution

The fourth proportional to 221,432.76, 332,204.76 and 63,661.50 is: 95,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,432.76 : 332,204.76 = 63,661.50 : x
  2. Step 2: Convert to fraction form
    221,432.76/332,204.76 = 63,661.50/x
  3. Step 3: Cross multiply
    221,432.76x = 332,204.76 × 63,661.50
  4. Step 4: Simplify right side
    221,432.76x = 21,148,653,328.74
  5. Step 5: Solve for x
    x = 21,148,653,328.74/221,432.76
  6. Step 6: Final answer
    x = 95,508.24

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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.