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Finding the Fourth Proportional to 80,374.64, 110,916.81 and 44,563.74

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Solution

The fourth proportional to 80,374.64, 110,916.81 and 44,563.74 is: 61,497.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,374.64 : 110,916.81 = 44,563.74 : x
  2. Step 2: Convert to fraction form
    80,374.64/110,916.81 = 44,563.74/x
  3. Step 3: Cross multiply
    80,374.64x = 110,916.81 × 44,563.74
  4. Step 4: Simplify right side
    80,374.64x = 4,942,867,882.47
  5. Step 5: Solve for x
    x = 4,942,867,882.47/80,374.64
  6. Step 6: Final answer
    x = 61,497.85

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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.