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Finding the Fourth Proportional to 79,856, 110,201.78 and 44,046.96

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Solution

The fourth proportional to 79,856, 110,201.78 and 44,046.96 is: 60,785.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,856 : 110,201.78 = 44,046.96 : x
  2. Step 2: Convert to fraction form
    79,856/110,201.78 = 44,046.96/x
  3. Step 3: Cross multiply
    79,856x = 110,201.78 × 44,046.96
  4. Step 4: Simplify right side
    79,856x = 4,854,053,395.59
  5. Step 5: Solve for x
    x = 4,854,053,395.59/79,856
  6. Step 6: Final answer
    x = 60,785.08

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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.