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Finding the Fourth Proportional to 221,809.62, 332,951.22 and 95,512.41

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Solution

The fourth proportional to 221,809.62, 332,951.22 and 95,512.41 is: 143,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,809.62 : 332,951.22 = 95,512.41 : x
  2. Step 2: Convert to fraction form
    221,809.62/332,951.22 = 95,512.41/x
  3. Step 3: Cross multiply
    221,809.62x = 332,951.22 × 95,512.41
  4. Step 4: Simplify right side
    221,809.62x = 31,800,973,434.64
  5. Step 5: Solve for x
    x = 31,800,973,434.64/221,809.62
  6. Step 6: Final answer
    x = 143,370.58

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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.