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Finding the Fourth Proportional to 168,067.07, 252,101.10 and 43,408.07

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Solution

The fourth proportional to 168,067.07, 252,101.10 and 43,408.07 is: 65,112.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,067.07 : 252,101.10 = 43,408.07 : x
  2. Step 2: Convert to fraction form
    168,067.07/252,101.10 = 43,408.07/x
  3. Step 3: Cross multiply
    168,067.07x = 252,101.10 × 43,408.07
  4. Step 4: Simplify right side
    168,067.07x = 10,943,220,935.37
  5. Step 5: Solve for x
    x = 10,943,220,935.37/168,067.07
  6. Step 6: Final answer
    x = 65,112.23

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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.