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Finding the Fourth Proportional to 221,367.90, 332,016.21 and 63,560.46

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Solution

The fourth proportional to 221,367.90, 332,016.21 and 63,560.46 is: 95,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,367.90 : 332,016.21 = 63,560.46 : x
  2. Step 2: Convert to fraction form
    221,367.90/332,016.21 = 63,560.46/x
  3. Step 3: Cross multiply
    221,367.90x = 332,016.21 × 63,560.46
  4. Step 4: Simplify right side
    221,367.90x = 21,103,103,035.06
  5. Step 5: Solve for x
    x = 21,103,103,035.06/221,367.90
  6. Step 6: Final answer
    x = 95,330.46

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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.