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Finding the Fourth Proportional to 79,481.93, 119,263.77 and 43,936.61

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Solution

The fourth proportional to 79,481.93, 119,263.77 and 43,936.61 is: 65,927.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,481.93 : 119,263.77 = 43,936.61 : x
  2. Step 2: Convert to fraction form
    79,481.93/119,263.77 = 43,936.61/x
  3. Step 3: Cross multiply
    79,481.93x = 119,263.77 × 43,936.61
  4. Step 4: Simplify right side
    79,481.93x = 5,240,045,153.30
  5. Step 5: Solve for x
    x = 5,240,045,153.30/79,481.93
  6. Step 6: Final answer
    x = 65,927.51

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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.