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Finding the Fourth Proportional to 150,676.38, 207,926.46 and 82,691.64

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Solution

The fourth proportional to 150,676.38, 207,926.46 and 82,691.64 is: 114,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,676.38 : 207,926.46 = 82,691.64 : x
  2. Step 2: Convert to fraction form
    150,676.38/207,926.46 = 82,691.64/x
  3. Step 3: Cross multiply
    150,676.38x = 207,926.46 × 82,691.64
  4. Step 4: Simplify right side
    150,676.38x = 17,193,779,976.79
  5. Step 5: Solve for x
    x = 17,193,779,976.79/150,676.38
  6. Step 6: Final answer
    x = 114,110.65

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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.