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Finding the Fourth Proportional to 73,679.23, 110,540.40 and 23,758.31

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Solution

The fourth proportional to 73,679.23, 110,540.40 and 23,758.31 is: 35,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.23 : 110,540.40 = 23,758.31 : x
  2. Step 2: Convert to fraction form
    73,679.23/110,540.40 = 23,758.31/x
  3. Step 3: Cross multiply
    73,679.23x = 110,540.40 × 23,758.31
  4. Step 4: Simplify right side
    73,679.23x = 2,626,253,090.72
  5. Step 5: Solve for x
    x = 2,626,253,090.72/73,679.23
  6. Step 6: Final answer
    x = 35,644.42

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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.