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Finding the Fourth Proportional to 242,851.88, 335,135.59 and 142,249.88

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Solution

The fourth proportional to 242,851.88, 335,135.59 and 142,249.88 is: 196,304.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,851.88 : 335,135.59 = 142,249.88 : x
  2. Step 2: Convert to fraction form
    242,851.88/335,135.59 = 142,249.88/x
  3. Step 3: Cross multiply
    242,851.88x = 335,135.59 × 142,249.88
  4. Step 4: Simplify right side
    242,851.88x = 47,672,995,429.93
  5. Step 5: Solve for x
    x = 47,672,995,429.93/242,851.88
  6. Step 6: Final answer
    x = 196,304.83

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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.