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Finding the Fourth Proportional to 80,414.50, 110,985.32 and 44,616.05

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Solution

The fourth proportional to 80,414.50, 110,985.32 and 44,616.05 is: 61,577.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,414.50 : 110,985.32 = 44,616.05 : x
  2. Step 2: Convert to fraction form
    80,414.50/110,985.32 = 44,616.05/x
  3. Step 3: Cross multiply
    80,414.50x = 110,985.32 × 44,616.05
  4. Step 4: Simplify right side
    80,414.50x = 4,951,726,247.05
  5. Step 5: Solve for x
    x = 4,951,726,247.05/80,414.50
  6. Step 6: Final answer
    x = 61,577.53

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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.