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Finding the Fourth Proportional to 303,677.24, 419,067.40 and 167,708.48

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Solution

The fourth proportional to 303,677.24, 419,067.40 and 167,708.48 is: 231,433.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,677.24 : 419,067.40 = 167,708.48 : x
  2. Step 2: Convert to fraction form
    303,677.24/419,067.40 = 167,708.48/x
  3. Step 3: Cross multiply
    303,677.24x = 419,067.40 × 167,708.48
  4. Step 4: Simplify right side
    303,677.24x = 70,281,156,671.55
  5. Step 5: Solve for x
    x = 70,281,156,671.55/303,677.24
  6. Step 6: Final answer
    x = 231,433.73

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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.