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Finding the Fourth Proportional to 304,092.39, 419,610.87 and 168,107.97

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Solution

The fourth proportional to 304,092.39, 419,610.87 and 168,107.97 is: 231,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,092.39 : 419,610.87 = 168,107.97 : x
  2. Step 2: Convert to fraction form
    304,092.39/419,610.87 = 168,107.97/x
  3. Step 3: Cross multiply
    304,092.39x = 419,610.87 × 168,107.97
  4. Step 4: Simplify right side
    304,092.39x = 70,539,931,545.63
  5. Step 5: Solve for x
    x = 70,539,931,545.63/304,092.39
  6. Step 6: Final answer
    x = 231,968.75

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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.