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Finding the Fourth Proportional to 80,022.72, 110,435.78 and 44,211.96

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Solution

The fourth proportional to 80,022.72, 110,435.78 and 44,211.96 is: 61,014.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,022.72 : 110,435.78 = 44,211.96 : x
  2. Step 2: Convert to fraction form
    80,022.72/110,435.78 = 44,211.96/x
  3. Step 3: Cross multiply
    80,022.72x = 110,435.78 × 44,211.96
  4. Step 4: Simplify right side
    80,022.72x = 4,882,582,274.11
  5. Step 5: Solve for x
    x = 4,882,582,274.11/80,022.72
  6. Step 6: Final answer
    x = 61,014.95

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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.