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Finding the Fourth Proportional to 221,548.80, 332,323.20 and 88,449.60

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Solution

The fourth proportional to 221,548.80, 332,323.20 and 88,449.60 is: 132,674.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,548.80 : 332,323.20 = 88,449.60 : x
  2. Step 2: Convert to fraction form
    221,548.80/332,323.20 = 88,449.60/x
  3. Step 3: Cross multiply
    221,548.80x = 332,323.20 × 88,449.60
  4. Step 4: Simplify right side
    221,548.80x = 29,393,854,110.72
  5. Step 5: Solve for x
    x = 29,393,854,110.72/221,548.80
  6. Step 6: Final answer
    x = 132,674.40

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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.