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Finding the Fourth Proportional to 49,644.80, 74,467.20 and 44,115.20

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Solution

The fourth proportional to 49,644.80, 74,467.20 and 44,115.20 is: 66,172.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,644.80 : 74,467.20 = 44,115.20 : x
  2. Step 2: Convert to fraction form
    49,644.80/74,467.20 = 44,115.20/x
  3. Step 3: Cross multiply
    49,644.80x = 74,467.20 × 44,115.20
  4. Step 4: Simplify right side
    49,644.80x = 3,285,135,421.44
  5. Step 5: Solve for x
    x = 3,285,135,421.44/49,644.80
  6. Step 6: Final answer
    x = 66,172.80

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