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Finding the Fourth Proportional to 80,298.88, 120,442.56 and 24,893.44

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Solution

The fourth proportional to 80,298.88, 120,442.56 and 24,893.44 is: 37,338.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,298.88 : 120,442.56 = 24,893.44 : x
  2. Step 2: Convert to fraction form
    80,298.88/120,442.56 = 24,893.44/x
  3. Step 3: Cross multiply
    80,298.88x = 120,442.56 × 24,893.44
  4. Step 4: Simplify right side
    80,298.88x = 2,998,229,640.81
  5. Step 5: Solve for x
    x = 2,998,229,640.81/80,298.88
  6. Step 6: Final answer
    x = 37,338.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.