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Finding the Fourth Proportional to 225,576.87, 338,365.56 and 67,805.32

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Solution

The fourth proportional to 225,576.87, 338,365.56 and 67,805.32 is: 101,708.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,576.87 : 338,365.56 = 67,805.32 : x
  2. Step 2: Convert to fraction form
    225,576.87/338,365.56 = 67,805.32/x
  3. Step 3: Cross multiply
    225,576.87x = 338,365.56 × 67,805.32
  4. Step 4: Simplify right side
    225,576.87x = 22,942,985,495.58
  5. Step 5: Solve for x
    x = 22,942,985,495.58/225,576.87
  6. Step 6: Final answer
    x = 101,708.06

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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.