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Finding the Fourth Proportional to 92,644.28, 138,999.90 and 36,453.44

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Solution

The fourth proportional to 92,644.28, 138,999.90 and 36,453.44 is: 54,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,644.28 : 138,999.90 = 36,453.44 : x
  2. Step 2: Convert to fraction form
    92,644.28/138,999.90 = 36,453.44/x
  3. Step 3: Cross multiply
    92,644.28x = 138,999.90 × 36,453.44
  4. Step 4: Simplify right side
    92,644.28x = 5,067,024,514.66
  5. Step 5: Solve for x
    x = 5,067,024,514.66/92,644.28
  6. Step 6: Final answer
    x = 54,693.33

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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.