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Finding the Fourth Proportional to 79,768.54, 110,080.56 and 43,958.44

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Solution

The fourth proportional to 79,768.54, 110,080.56 and 43,958.44 is: 60,662.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768.54 : 110,080.56 = 43,958.44 : x
  2. Step 2: Convert to fraction form
    79,768.54/110,080.56 = 43,958.44/x
  3. Step 3: Cross multiply
    79,768.54x = 110,080.56 × 43,958.44
  4. Step 4: Simplify right side
    79,768.54x = 4,838,969,691.93
  5. Step 5: Solve for x
    x = 4,838,969,691.93/79,768.54
  6. Step 6: Final answer
    x = 60,662.63

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1.5x scale

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.