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Finding the Fourth Proportional to 221,673.80, 332,510.70 and 88,574.60

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Solution

The fourth proportional to 221,673.80, 332,510.70 and 88,574.60 is: 132,861.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,673.80 : 332,510.70 = 88,574.60 : x
  2. Step 2: Convert to fraction form
    221,673.80/332,510.70 = 88,574.60/x
  3. Step 3: Cross multiply
    221,673.80x = 332,510.70 × 88,574.60
  4. Step 4: Simplify right side
    221,673.80x = 29,452,002,248.22
  5. Step 5: Solve for x
    x = 29,452,002,248.22/221,673.80
  6. Step 6: Final answer
    x = 132,861.90

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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.