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Finding the Fourth Proportional to 149,344, 206,094.72 and 82,277.44

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Solution

The fourth proportional to 149,344, 206,094.72 and 82,277.44 is: 113,542.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,344 : 206,094.72 = 82,277.44 : x
  2. Step 2: Convert to fraction form
    149,344/206,094.72 = 82,277.44/x
  3. Step 3: Cross multiply
    149,344x = 206,094.72 × 82,277.44
  4. Step 4: Simplify right side
    149,344x = 16,956,945,959.12
  5. Step 5: Solve for x
    x = 16,956,945,959.12/149,344
  6. Step 6: Final answer
    x = 113,542.87

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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.