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Finding the Fourth Proportional to 304,099.43, 419,640.28 and 168,125.44

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Solution

The fourth proportional to 304,099.43, 419,640.28 and 168,125.44 is: 232,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,099.43 : 419,640.28 = 168,125.44 : x
  2. Step 2: Convert to fraction form
    304,099.43/419,640.28 = 168,125.44/x
  3. Step 3: Cross multiply
    304,099.43x = 419,640.28 × 168,125.44
  4. Step 4: Simplify right side
    304,099.43x = 70,552,206,716.72
  5. Step 5: Solve for x
    x = 70,552,206,716.72/304,099.43
  6. Step 6: Final answer
    x = 232,003.75

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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.