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Finding the Fourth Proportional to 67,246.67, 100,620.84 and 49,490.44

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Solution

The fourth proportional to 67,246.67, 100,620.84 and 49,490.44 is: 74,052.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.67 : 100,620.84 = 49,490.44 : x
  2. Step 2: Convert to fraction form
    67,246.67/100,620.84 = 49,490.44/x
  3. Step 3: Cross multiply
    67,246.67x = 100,620.84 × 49,490.44
  4. Step 4: Simplify right side
    67,246.67x = 4,979,769,644.77
  5. Step 5: Solve for x
    x = 4,979,769,644.77/67,246.67
  6. Step 6: Final answer
    x = 74,052.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.