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Finding the Fourth Proportional to 68,359.83, 102,605.40 and 33,324.09

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Solution

The fourth proportional to 68,359.83, 102,605.40 and 33,324.09 is: 50,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,359.83 : 102,605.40 = 33,324.09 : x
  2. Step 2: Convert to fraction form
    68,359.83/102,605.40 = 33,324.09/x
  3. Step 3: Cross multiply
    68,359.83x = 102,605.40 × 33,324.09
  4. Step 4: Simplify right side
    68,359.83x = 3,419,231,584.09
  5. Step 5: Solve for x
    x = 3,419,231,584.09/68,359.83
  6. Step 6: Final answer
    x = 50,018.14

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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.