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Finding the Fourth Proportional to 226,339.82, 339,508.40 and 57,859.91

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Solution

The fourth proportional to 226,339.82, 339,508.40 and 57,859.91 is: 86,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,339.82 : 339,508.40 = 57,859.91 : x
  2. Step 2: Convert to fraction form
    226,339.82/339,508.40 = 57,859.91/x
  3. Step 3: Cross multiply
    226,339.82x = 339,508.40 × 57,859.91
  4. Step 4: Simplify right side
    226,339.82x = 19,643,923,481.40
  5. Step 5: Solve for x
    x = 19,643,923,481.40/226,339.82
  6. Step 6: Final answer
    x = 86,789.52

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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.