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Finding the Fourth Proportional to 267,450.80, 401,233.80 and 80,481.20

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Solution

The fourth proportional to 267,450.80, 401,233.80 and 80,481.20 is: 120,739.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,450.80 : 401,233.80 = 80,481.20 : x
  2. Step 2: Convert to fraction form
    267,450.80/401,233.80 = 80,481.20/x
  3. Step 3: Cross multiply
    267,450.80x = 401,233.80 × 80,481.20
  4. Step 4: Simplify right side
    267,450.80x = 32,291,777,704.56
  5. Step 5: Solve for x
    x = 32,291,777,704.56/267,450.80
  6. Step 6: Final answer
    x = 120,739.13

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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.