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Finding the Fourth Proportional to 79,809.92, 110,138.39 and 44,001.20

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Solution

The fourth proportional to 79,809.92, 110,138.39 and 44,001.20 is: 60,722.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,809.92 : 110,138.39 = 44,001.20 : x
  2. Step 2: Convert to fraction form
    79,809.92/110,138.39 = 44,001.20/x
  3. Step 3: Cross multiply
    79,809.92x = 110,138.39 × 44,001.20
  4. Step 4: Simplify right side
    79,809.92x = 4,846,221,326.07
  5. Step 5: Solve for x
    x = 4,846,221,326.07/79,809.92
  6. Step 6: Final answer
    x = 60,722.04

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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.