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Finding the Fourth Proportional to 221,706.80, 332,560.20 and 88,607.60

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Solution

The fourth proportional to 221,706.80, 332,560.20 and 88,607.60 is: 132,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,706.80 : 332,560.20 = 88,607.60 : x
  2. Step 2: Convert to fraction form
    221,706.80/332,560.20 = 88,607.60/x
  3. Step 3: Cross multiply
    221,706.80x = 332,560.20 × 88,607.60
  4. Step 4: Simplify right side
    221,706.80x = 29,467,361,177.52
  5. Step 5: Solve for x
    x = 29,467,361,177.52/221,706.80
  6. Step 6: Final answer
    x = 132,911.40

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1.5x scale

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.