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Finding the Fourth Proportional to 80,878, 111,610.12 and 45,067.24

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Solution

The fourth proportional to 80,878, 111,610.12 and 45,067.24 is: 62,191.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,878 : 111,610.12 = 45,067.24 : x
  2. Step 2: Convert to fraction form
    80,878/111,610.12 = 45,067.24/x
  3. Step 3: Cross multiply
    80,878x = 111,610.12 × 45,067.24
  4. Step 4: Simplify right side
    80,878x = 5,029,960,064.47
  5. Step 5: Solve for x
    x = 5,029,960,064.47/80,878
  6. Step 6: Final answer
    x = 62,191.94

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.