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Finding the Fourth Proportional to 234,067.56, 351,018.31 and 84,267.63

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Solution

The fourth proportional to 234,067.56, 351,018.31 and 84,267.63 is: 126,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,067.56 : 351,018.31 = 84,267.63 : x
  2. Step 2: Convert to fraction form
    234,067.56/351,018.31 = 84,267.63/x
  3. Step 3: Cross multiply
    234,067.56x = 351,018.31 × 84,267.63
  4. Step 4: Simplify right side
    234,067.56x = 29,579,481,070.31
  5. Step 5: Solve for x
    x = 29,579,481,070.31/234,067.56
  6. Step 6: Final answer
    x = 126,371.55

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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.