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Finding the Fourth Proportional to 97,452.57, 134,481.83 and 55,015.05

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Solution

The fourth proportional to 97,452.57, 134,481.83 and 55,015.05 is: 75,919.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,452.57 : 134,481.83 = 55,015.05 : x
  2. Step 2: Convert to fraction form
    97,452.57/134,481.83 = 55,015.05/x
  3. Step 3: Cross multiply
    97,452.57x = 134,481.83 × 55,015.05
  4. Step 4: Simplify right side
    97,452.57x = 7,398,524,326.47
  5. Step 5: Solve for x
    x = 7,398,524,326.47/97,452.57
  6. Step 6: Final answer
    x = 75,919.23

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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.