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Finding the Fourth Proportional to 225,103.78, 337,620.30 and 73,306.34

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Solution

The fourth proportional to 225,103.78, 337,620.30 and 73,306.34 is: 109,947.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,103.78 : 337,620.30 = 73,306.34 : x
  2. Step 2: Convert to fraction form
    225,103.78/337,620.30 = 73,306.34/x
  3. Step 3: Cross multiply
    225,103.78x = 337,620.30 × 73,306.34
  4. Step 4: Simplify right side
    225,103.78x = 24,749,709,167.68
  5. Step 5: Solve for x
    x = 24,749,709,167.68/225,103.78
  6. Step 6: Final answer
    x = 109,947.99

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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.