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Finding the Fourth Proportional to 225,744.36, 338,486.94 and 67,926.12

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Solution

The fourth proportional to 225,744.36, 338,486.94 and 67,926.12 is: 101,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,744.36 : 338,486.94 = 67,926.12 : x
  2. Step 2: Convert to fraction form
    225,744.36/338,486.94 = 67,926.12/x
  3. Step 3: Cross multiply
    225,744.36x = 338,486.94 × 67,926.12
  4. Step 4: Simplify right side
    225,744.36x = 22,992,104,504.87
  5. Step 5: Solve for x
    x = 22,992,104,504.87/225,744.36
  6. Step 6: Final answer
    x = 101,850.18

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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.