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Finding the Fourth Proportional to 80,323.92, 120,261.24 and 60,540.48

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Solution

The fourth proportional to 80,323.92, 120,261.24 and 60,540.48 is: 90,641.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,323.92 : 120,261.24 = 60,540.48 : x
  2. Step 2: Convert to fraction form
    80,323.92/120,261.24 = 60,540.48/x
  3. Step 3: Cross multiply
    80,323.92x = 120,261.24 × 60,540.48
  4. Step 4: Simplify right side
    80,323.92x = 7,280,673,195.00
  5. Step 5: Solve for x
    x = 7,280,673,195.00/80,323.92
  6. Step 6: Final answer
    x = 90,641.41

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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.