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Finding the Fourth Proportional to 303,857.82, 419,287.33 and 167,883.39

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Solution

The fourth proportional to 303,857.82, 419,287.33 and 167,883.39 is: 231,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,857.82 : 419,287.33 = 167,883.39 : x
  2. Step 2: Convert to fraction form
    303,857.82/419,287.33 = 167,883.39/x
  3. Step 3: Cross multiply
    303,857.82x = 419,287.33 × 167,883.39
  4. Step 4: Simplify right side
    303,857.82x = 70,391,377,924.74
  5. Step 5: Solve for x
    x = 70,391,377,924.74/303,857.82
  6. Step 6: Final answer
    x = 231,658.93

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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.