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Finding the Fourth Proportional to 221,627.84, 332,470.49 and 101,655.86

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Solution

The fourth proportional to 221,627.84, 332,470.49 and 101,655.86 is: 152,496.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,627.84 : 332,470.49 = 101,655.86 : x
  2. Step 2: Convert to fraction form
    221,627.84/332,470.49 = 101,655.86/x
  3. Step 3: Cross multiply
    221,627.84x = 332,470.49 × 101,655.86
  4. Step 4: Simplify right side
    221,627.84x = 33,797,571,414.94
  5. Step 5: Solve for x
    x = 33,797,571,414.94/221,627.84
  6. Step 6: Final answer
    x = 152,496.96

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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.