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Finding the Fourth Proportional to 275,450.40, 413,233.20 and 88,480.80

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Solution

The fourth proportional to 275,450.40, 413,233.20 and 88,480.80 is: 132,739.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,450.40 : 413,233.20 = 88,480.80 : x
  2. Step 2: Convert to fraction form
    275,450.40/413,233.20 = 88,480.80/x
  3. Step 3: Cross multiply
    275,450.40x = 413,233.20 × 88,480.80
  4. Step 4: Simplify right side
    275,450.40x = 36,563,204,122.56
  5. Step 5: Solve for x
    x = 36,563,204,122.56/275,450.40
  6. Step 6: Final answer
    x = 132,739.70

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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.