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Finding the Fourth Proportional to 226,291.92, 339,481.62 and 76,556.54

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Solution

The fourth proportional to 226,291.92, 339,481.62 and 76,556.54 is: 114,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,291.92 : 339,481.62 = 76,556.54 : x
  2. Step 2: Convert to fraction form
    226,291.92/339,481.62 = 76,556.54/x
  3. Step 3: Cross multiply
    226,291.92x = 339,481.62 × 76,556.54
  4. Step 4: Simplify right side
    226,291.92x = 25,989,536,523.39
  5. Step 5: Solve for x
    x = 25,989,536,523.39/226,291.92
  6. Step 6: Final answer
    x = 114,849.60

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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.