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Finding the Fourth Proportional to 275,992.88, 413,854.36 and 113,856.73

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Solution

The fourth proportional to 275,992.88, 413,854.36 and 113,856.73 is: 170,729.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,992.88 : 413,854.36 = 113,856.73 : x
  2. Step 2: Convert to fraction form
    275,992.88/413,854.36 = 113,856.73/x
  3. Step 3: Cross multiply
    275,992.88x = 413,854.36 × 113,856.73
  4. Step 4: Simplify right side
    275,992.88x = 47,120,102,806.57
  5. Step 5: Solve for x
    x = 47,120,102,806.57/275,992.88
  6. Step 6: Final answer
    x = 170,729.42

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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.