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Finding the Fourth Proportional to 79,918.78, 110,287.37 and 44,108.79

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Solution

The fourth proportional to 79,918.78, 110,287.37 and 44,108.79 is: 60,869.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,918.78 : 110,287.37 = 44,108.79 : x
  2. Step 2: Convert to fraction form
    79,918.78/110,287.37 = 44,108.79/x
  3. Step 3: Cross multiply
    79,918.78x = 110,287.37 × 44,108.79
  4. Step 4: Simplify right side
    79,918.78x = 4,864,642,442.98
  5. Step 5: Solve for x
    x = 4,864,642,442.98/79,918.78
  6. Step 6: Final answer
    x = 60,869.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.