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Finding the Fourth Proportional to 79,793.66, 110,120.09 and 43,983.56

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Solution

The fourth proportional to 79,793.66, 110,120.09 and 43,983.56 is: 60,699.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,793.66 : 110,120.09 = 43,983.56 : x
  2. Step 2: Convert to fraction form
    79,793.66/110,120.09 = 43,983.56/x
  3. Step 3: Cross multiply
    79,793.66x = 110,120.09 × 43,983.56
  4. Step 4: Simplify right side
    79,793.66x = 4,843,472,815.20
  5. Step 5: Solve for x
    x = 4,843,472,815.20/79,793.66
  6. Step 6: Final answer
    x = 60,699.97

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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.