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Finding the Fourth Proportional to 80,098.21, 110,531.06 and 44,286.07

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Solution

The fourth proportional to 80,098.21, 110,531.06 and 44,286.07 is: 61,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,098.21 : 110,531.06 = 44,286.07 : x
  2. Step 2: Convert to fraction form
    80,098.21/110,531.06 = 44,286.07/x
  3. Step 3: Cross multiply
    80,098.21x = 110,531.06 × 44,286.07
  4. Step 4: Simplify right side
    80,098.21x = 4,894,985,818.39
  5. Step 5: Solve for x
    x = 4,894,985,818.39/80,098.21
  6. Step 6: Final answer
    x = 61,112.30

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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.