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Finding the Fourth Proportional to 225,545.82, 338,324.22 and 75,788.28

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Solution

The fourth proportional to 225,545.82, 338,324.22 and 75,788.28 is: 113,684.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,545.82 : 338,324.22 = 75,788.28 : x
  2. Step 2: Convert to fraction form
    225,545.82/338,324.22 = 75,788.28/x
  3. Step 3: Cross multiply
    225,545.82x = 338,324.22 × 75,788.28
  4. Step 4: Simplify right side
    225,545.82x = 25,641,010,716.14
  5. Step 5: Solve for x
    x = 25,641,010,716.14/225,545.82
  6. Step 6: Final answer
    x = 113,684.26

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1.5x scale

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.