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Finding the Fourth Proportional to 80,787.78, 111,486.88 and 44,976.86

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Solution

The fourth proportional to 80,787.78, 111,486.88 and 44,976.86 is: 62,067.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,787.78 : 111,486.88 = 44,976.86 : x
  2. Step 2: Convert to fraction form
    80,787.78/111,486.88 = 44,976.86/x
  3. Step 3: Cross multiply
    80,787.78x = 111,486.88 × 44,976.86
  4. Step 4: Simplify right side
    80,787.78x = 5,014,329,793.60
  5. Step 5: Solve for x
    x = 5,014,329,793.60/80,787.78
  6. Step 6: Final answer
    x = 62,067.92

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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.