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Finding the Fourth Proportional to 96,791.22, 133,568.42 and 54,351.54

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Solution

The fourth proportional to 96,791.22, 133,568.42 and 54,351.54 is: 75,003.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,791.22 : 133,568.42 = 54,351.54 : x
  2. Step 2: Convert to fraction form
    96,791.22/133,568.42 = 54,351.54/x
  3. Step 3: Cross multiply
    96,791.22x = 133,568.42 × 54,351.54
  4. Step 4: Simplify right side
    96,791.22x = 7,259,649,322.37
  5. Step 5: Solve for x
    x = 7,259,649,322.37/96,791.22
  6. Step 6: Final answer
    x = 75,003.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.