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Finding the Fourth Proportional to 67,676.73, 101,524.82 and 20,933.25

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Solution

The fourth proportional to 67,676.73, 101,524.82 and 20,933.25 is: 31,402.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,676.73 : 101,524.82 = 20,933.25 : x
  2. Step 2: Convert to fraction form
    67,676.73/101,524.82 = 20,933.25/x
  3. Step 3: Cross multiply
    67,676.73x = 101,524.82 × 20,933.25
  4. Step 4: Simplify right side
    67,676.73x = 2,125,244,333.60
  5. Step 5: Solve for x
    x = 2,125,244,333.60/67,676.73
  6. Step 6: Final answer
    x = 31,402.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.