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Finding the Fourth Proportional to 80,541.97, 111,144.32 and 48,294.39

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Solution

The fourth proportional to 80,541.97, 111,144.32 and 48,294.39 is: 66,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,541.97 : 111,144.32 = 48,294.39 : x
  2. Step 2: Convert to fraction form
    80,541.97/111,144.32 = 48,294.39/x
  3. Step 3: Cross multiply
    80,541.97x = 111,144.32 × 48,294.39
  4. Step 4: Simplify right side
    80,541.97x = 5,367,647,136.36
  5. Step 5: Solve for x
    x = 5,367,647,136.36/80,541.97
  6. Step 6: Final answer
    x = 66,644.10

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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.