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Finding the Fourth Proportional to 80,410.41, 110,979.65 and 44,611.95

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Solution

The fourth proportional to 80,410.41, 110,979.65 and 44,611.95 is: 61,571.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,410.41 : 110,979.65 = 44,611.95 : x
  2. Step 2: Convert to fraction form
    80,410.41/110,979.65 = 44,611.95/x
  3. Step 3: Cross multiply
    80,410.41x = 110,979.65 × 44,611.95
  4. Step 4: Simplify right side
    80,410.41x = 4,951,019,124.52
  5. Step 5: Solve for x
    x = 4,951,019,124.52/80,410.41
  6. Step 6: Final answer
    x = 61,571.87

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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.