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Finding the Fourth Proportional to 221,617.80, 332,232.30 and 132,906.60

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Solution

The fourth proportional to 221,617.80, 332,232.30 and 132,906.60 is: 199,243.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,617.80 : 332,232.30 = 132,906.60 : x
  2. Step 2: Convert to fraction form
    221,617.80/332,232.30 = 132,906.60/x
  3. Step 3: Cross multiply
    221,617.80x = 332,232.30 × 132,906.60
  4. Step 4: Simplify right side
    221,617.80x = 44,155,865,403.18
  5. Step 5: Solve for x
    x = 44,155,865,403.18/221,617.80
  6. Step 6: Final answer
    x = 199,243.32

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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.