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Finding the Fourth Proportional to 79,983.78, 110,375.51 and 44,173.02

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Solution

The fourth proportional to 79,983.78, 110,375.51 and 44,173.02 is: 60,957.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,983.78 : 110,375.51 = 44,173.02 : x
  2. Step 2: Convert to fraction form
    79,983.78/110,375.51 = 44,173.02/x
  3. Step 3: Cross multiply
    79,983.78x = 110,375.51 × 44,173.02
  4. Step 4: Simplify right side
    79,983.78x = 4,875,619,969.43
  5. Step 5: Solve for x
    x = 4,875,619,969.43/79,983.78
  6. Step 6: Final answer
    x = 60,957.61

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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.