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Finding the Fourth Proportional to 221,391.90, 332,052.21 and 63,584.46

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Solution

The fourth proportional to 221,391.90, 332,052.21 and 63,584.46 is: 95,366.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,391.90 : 332,052.21 = 63,584.46 : x
  2. Step 2: Convert to fraction form
    221,391.90/332,052.21 = 63,584.46/x
  3. Step 3: Cross multiply
    221,391.90x = 332,052.21 × 63,584.46
  4. Step 4: Simplify right side
    221,391.90x = 21,113,360,464.66
  5. Step 5: Solve for x
    x = 21,113,360,464.66/221,391.90
  6. Step 6: Final answer
    x = 95,366.45

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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.