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Finding the Fourth Proportional to 79,889.87, 110,248.61 and 44,081.21

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Solution

The fourth proportional to 79,889.87, 110,248.61 and 44,081.21 is: 60,832.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,889.87 : 110,248.61 = 44,081.21 : x
  2. Step 2: Convert to fraction form
    79,889.87/110,248.61 = 44,081.21/x
  3. Step 3: Cross multiply
    79,889.87x = 110,248.61 × 44,081.21
  4. Step 4: Simplify right side
    79,889.87x = 4,859,892,129.62
  5. Step 5: Solve for x
    x = 4,859,892,129.62/79,889.87
  6. Step 6: Final answer
    x = 60,832.40

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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.