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Finding the Fourth Proportional to 80,081.70, 110,515.05 and 44,274.02

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Solution

The fourth proportional to 80,081.70, 110,515.05 and 44,274.02 is: 61,099.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,081.70 : 110,515.05 = 44,274.02 : x
  2. Step 2: Convert to fraction form
    80,081.70/110,515.05 = 44,274.02/x
  3. Step 3: Cross multiply
    80,081.70x = 110,515.05 × 44,274.02
  4. Step 4: Simplify right side
    80,081.70x = 4,892,944,981.43
  5. Step 5: Solve for x
    x = 4,892,944,981.43/80,081.70
  6. Step 6: Final answer
    x = 61,099.41

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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.