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Finding the Fourth Proportional to 80,732.20, 111,410.42 and 44,922.20

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Solution

The fourth proportional to 80,732.20, 111,410.42 and 44,922.20 is: 61,992.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,732.20 : 111,410.42 = 44,922.20 : x
  2. Step 2: Convert to fraction form
    80,732.20/111,410.42 = 44,922.20/x
  3. Step 3: Cross multiply
    80,732.20x = 111,410.42 × 44,922.20
  4. Step 4: Simplify right side
    80,732.20x = 5,004,801,169.32
  5. Step 5: Solve for x
    x = 5,004,801,169.32/80,732.20
  6. Step 6: Final answer
    x = 61,992.63

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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.