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Finding the Fourth Proportional to 80,269.78, 110,846.76 and 60,091.63

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Solution

The fourth proportional to 80,269.78, 110,846.76 and 60,091.63 is: 82,982.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,269.78 : 110,846.76 = 60,091.63 : x
  2. Step 2: Convert to fraction form
    80,269.78/110,846.76 = 60,091.63/x
  3. Step 3: Cross multiply
    80,269.78x = 110,846.76 × 60,091.63
  4. Step 4: Simplify right side
    80,269.78x = 6,660,962,488.62
  5. Step 5: Solve for x
    x = 6,660,962,488.62/80,269.78
  6. Step 6: Final answer
    x = 82,982.19

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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.