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Finding the Fourth Proportional to 73,676.52, 110,514.80 and 18,272.52

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Solution

The fourth proportional to 73,676.52, 110,514.80 and 18,272.52 is: 27,408.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,676.52 : 110,514.80 = 18,272.52 : x
  2. Step 2: Convert to fraction form
    73,676.52/110,514.80 = 18,272.52/x
  3. Step 3: Cross multiply
    73,676.52x = 110,514.80 × 18,272.52
  4. Step 4: Simplify right side
    73,676.52x = 2,019,383,893.30
  5. Step 5: Solve for x
    x = 2,019,383,893.30/73,676.52
  6. Step 6: Final answer
    x = 27,408.78

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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.