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Finding the Fourth Proportional to 225,825.89, 338,738.97 and 57,358.85

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Solution

The fourth proportional to 225,825.89, 338,738.97 and 57,358.85 is: 86,038.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,825.89 : 338,738.97 = 57,358.85 : x
  2. Step 2: Convert to fraction form
    225,825.89/338,738.97 = 57,358.85/x
  3. Step 3: Cross multiply
    225,825.89x = 338,738.97 × 57,358.85
  4. Step 4: Simplify right side
    225,825.89x = 19,429,677,769.38
  5. Step 5: Solve for x
    x = 19,429,677,769.38/225,825.89
  6. Step 6: Final answer
    x = 86,038.31

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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.