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Finding the Fourth Proportional to 221,706.80, 332,609.34 and 63,922.96

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Solution

The fourth proportional to 221,706.80, 332,609.34 and 63,922.96 is: 95,898.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,706.80 : 332,609.34 = 63,922.96 : x
  2. Step 2: Convert to fraction form
    221,706.80/332,609.34 = 63,922.96/x
  3. Step 3: Cross multiply
    221,706.80x = 332,609.34 × 63,922.96
  4. Step 4: Simplify right side
    221,706.80x = 21,261,373,536.45
  5. Step 5: Solve for x
    x = 21,261,373,536.45/221,706.80
  6. Step 6: Final answer
    x = 95,898.61

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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.