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Finding the Fourth Proportional to 79,879.92, 110,236.40 and 44,070.40

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Solution

The fourth proportional to 79,879.92, 110,236.40 and 44,070.40 is: 60,818.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.92 : 110,236.40 = 44,070.40 : x
  2. Step 2: Convert to fraction form
    79,879.92/110,236.40 = 44,070.40/x
  3. Step 3: Cross multiply
    79,879.92x = 110,236.40 × 44,070.40
  4. Step 4: Simplify right side
    79,879.92x = 4,858,162,242.56
  5. Step 5: Solve for x
    x = 4,858,162,242.56/79,879.92
  6. Step 6: Final answer
    x = 60,818.32

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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.