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Finding the Fourth Proportional to 54,150.70, 81,163.86 and 33,896.56

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Solution

The fourth proportional to 54,150.70, 81,163.86 and 33,896.56 is: 50,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,150.70 : 81,163.86 = 33,896.56 : x
  2. Step 2: Convert to fraction form
    54,150.70/81,163.86 = 33,896.56/x
  3. Step 3: Cross multiply
    54,150.70x = 81,163.86 × 33,896.56
  4. Step 4: Simplify right side
    54,150.70x = 2,751,175,650.32
  5. Step 5: Solve for x
    x = 2,751,175,650.32/54,150.70
  6. Step 6: Final answer
    x = 50,805.91

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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.