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Finding the Fourth Proportional to 80,261.57, 110,760.91 and 44,451.54

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Solution

The fourth proportional to 80,261.57, 110,760.91 and 44,451.54 is: 61,343.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,261.57 : 110,760.91 = 44,451.54 : x
  2. Step 2: Convert to fraction form
    80,261.57/110,760.91 = 44,451.54/x
  3. Step 3: Cross multiply
    80,261.57x = 110,760.91 × 44,451.54
  4. Step 4: Simplify right side
    80,261.57x = 4,923,493,021.30
  5. Step 5: Solve for x
    x = 4,923,493,021.30/80,261.57
  6. Step 6: Final answer
    x = 61,343.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.