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Finding the Fourth Proportional to 303,771.49, 419,168.73 and 167,797.28

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Solution

The fourth proportional to 303,771.49, 419,168.73 and 167,797.28 is: 231,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,771.49 : 419,168.73 = 167,797.28 : x
  2. Step 2: Convert to fraction form
    303,771.49/419,168.73 = 167,797.28/x
  3. Step 3: Cross multiply
    303,771.49x = 419,168.73 × 167,797.28
  4. Step 4: Simplify right side
    303,771.49x = 70,335,372,073.48
  5. Step 5: Solve for x
    x = 70,335,372,073.48/303,771.49
  6. Step 6: Final answer
    x = 231,540.40

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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.