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Finding the Fourth Proportional to 54,481.60, 81,808.80 and 41,348.80

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Solution

The fourth proportional to 54,481.60, 81,808.80 and 41,348.80 is: 62,088.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,481.60 : 81,808.80 = 41,348.80 : x
  2. Step 2: Convert to fraction form
    54,481.60/81,808.80 = 41,348.80/x
  3. Step 3: Cross multiply
    54,481.60x = 81,808.80 × 41,348.80
  4. Step 4: Simplify right side
    54,481.60x = 3,382,695,709.44
  5. Step 5: Solve for x
    x = 3,382,695,709.44/54,481.60
  6. Step 6: Final answer
    x = 62,088.77

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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.