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Finding the Fourth Proportional to 80,422.87, 110,974.59 and 44,603.90

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Solution

The fourth proportional to 80,422.87, 110,974.59 and 44,603.90 is: 61,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,422.87 : 110,974.59 = 44,603.90 : x
  2. Step 2: Convert to fraction form
    80,422.87/110,974.59 = 44,603.90/x
  3. Step 3: Cross multiply
    80,422.87x = 110,974.59 × 44,603.90
  4. Step 4: Simplify right side
    80,422.87x = 4,949,899,514.90
  5. Step 5: Solve for x
    x = 4,949,899,514.90/80,422.87
  6. Step 6: Final answer
    x = 61,548.41

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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.