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Finding the Fourth Proportional to 80,286.58, 110,801.73 and 44,479.90

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Solution

The fourth proportional to 80,286.58, 110,801.73 and 44,479.90 is: 61,385.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,286.58 : 110,801.73 = 44,479.90 : x
  2. Step 2: Convert to fraction form
    80,286.58/110,801.73 = 44,479.90/x
  3. Step 3: Cross multiply
    80,286.58x = 110,801.73 × 44,479.90
  4. Step 4: Simplify right side
    80,286.58x = 4,928,449,870.23
  5. Step 5: Solve for x
    x = 4,928,449,870.23/80,286.58
  6. Step 6: Final answer
    x = 61,385.72

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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.