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Finding the Fourth Proportional to 225,578.37, 338,367.81 and 67,806.82

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Solution

The fourth proportional to 225,578.37, 338,367.81 and 67,806.82 is: 101,710.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,578.37 : 338,367.81 = 67,806.82 : x
  2. Step 2: Convert to fraction form
    225,578.37/338,367.81 = 67,806.82/x
  3. Step 3: Cross multiply
    225,578.37x = 338,367.81 × 67,806.82
  4. Step 4: Simplify right side
    225,578.37x = 22,943,645,186.46
  5. Step 5: Solve for x
    x = 22,943,645,186.46/225,578.37
  6. Step 6: Final answer
    x = 101,710.31

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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.