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Finding the Fourth Proportional to 76,992.68, 115,694.06 and 41,481.27

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Solution

The fourth proportional to 76,992.68, 115,694.06 and 41,481.27 is: 62,332.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,992.68 : 115,694.06 = 41,481.27 : x
  2. Step 2: Convert to fraction form
    76,992.68/115,694.06 = 41,481.27/x
  3. Step 3: Cross multiply
    76,992.68x = 115,694.06 × 41,481.27
  4. Step 4: Simplify right side
    76,992.68x = 4,799,136,332.85
  5. Step 5: Solve for x
    x = 4,799,136,332.85/76,992.68
  6. Step 6: Final answer
    x = 62,332.37

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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.