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Finding the Fourth Proportional to 79,879.20, 110,233.31 and 44,069.30

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Solution

The fourth proportional to 79,879.20, 110,233.31 and 44,069.30 is: 60,815.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.20 : 110,233.31 = 44,069.30 : x
  2. Step 2: Convert to fraction form
    79,879.20/110,233.31 = 44,069.30/x
  3. Step 3: Cross multiply
    79,879.20x = 110,233.31 × 44,069.30
  4. Step 4: Simplify right side
    79,879.20x = 4,857,904,808.38
  5. Step 5: Solve for x
    x = 4,857,904,808.38/79,879.20
  6. Step 6: Final answer
    x = 60,815.64

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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.