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Finding the Fourth Proportional to 73,117.44, 109,691.67 and 23,190.96

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Solution

The fourth proportional to 73,117.44, 109,691.67 and 23,190.96 is: 34,791.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,117.44 : 109,691.67 = 23,190.96 : x
  2. Step 2: Convert to fraction form
    73,117.44/109,691.67 = 23,190.96/x
  3. Step 3: Cross multiply
    73,117.44x = 109,691.67 × 23,190.96
  4. Step 4: Simplify right side
    73,117.44x = 2,543,855,131.30
  5. Step 5: Solve for x
    x = 2,543,855,131.30/73,117.44
  6. Step 6: Final answer
    x = 34,791.36

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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.