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Finding the Fourth Proportional to 225,960.65, 338,942.91 and 57,481.13

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Solution

The fourth proportional to 225,960.65, 338,942.91 and 57,481.13 is: 86,222.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,960.65 : 338,942.91 = 57,481.13 : x
  2. Step 2: Convert to fraction form
    225,960.65/338,942.91 = 57,481.13/x
  3. Step 3: Cross multiply
    225,960.65x = 338,942.91 × 57,481.13
  4. Step 4: Simplify right side
    225,960.65x = 19,482,819,777.57
  5. Step 5: Solve for x
    x = 19,482,819,777.57/225,960.65
  6. Step 6: Final answer
    x = 86,222.18

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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.