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Finding the Fourth Proportional to 54,889.44, 82,108.62 and 43,817.76

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Solution

The fourth proportional to 54,889.44, 82,108.62 and 43,817.76 is: 65,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,889.44 : 82,108.62 = 43,817.76 : x
  2. Step 2: Convert to fraction form
    54,889.44/82,108.62 = 43,817.76/x
  3. Step 3: Cross multiply
    54,889.44x = 82,108.62 × 43,817.76
  4. Step 4: Simplify right side
    54,889.44x = 3,597,815,805.09
  5. Step 5: Solve for x
    x = 3,597,815,805.09/54,889.44
  6. Step 6: Final answer
    x = 65,546.59

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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.