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Finding the Fourth Proportional to 80,040.31, 120,077.62 and 23,884.83

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Solution

The fourth proportional to 80,040.31, 120,077.62 and 23,884.83 is: 35,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,040.31 : 120,077.62 = 23,884.83 : x
  2. Step 2: Convert to fraction form
    80,040.31/120,077.62 = 23,884.83/x
  3. Step 3: Cross multiply
    80,040.31x = 120,077.62 × 23,884.83
  4. Step 4: Simplify right side
    80,040.31x = 2,868,033,480.79
  5. Step 5: Solve for x
    x = 2,868,033,480.79/80,040.31
  6. Step 6: Final answer
    x = 35,832.36

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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.