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Finding the Fourth Proportional to 80,339.54, 110,875.20 and 44,540.78

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Solution

The fourth proportional to 80,339.54, 110,875.20 and 44,540.78 is: 61,469.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,339.54 : 110,875.20 = 44,540.78 : x
  2. Step 2: Convert to fraction form
    80,339.54/110,875.20 = 44,540.78/x
  3. Step 3: Cross multiply
    80,339.54x = 110,875.20 × 44,540.78
  4. Step 4: Simplify right side
    80,339.54x = 4,938,467,890.66
  5. Step 5: Solve for x
    x = 4,938,467,890.66/80,339.54
  6. Step 6: Final answer
    x = 61,469.95

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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.