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Finding the Fourth Proportional to 334.88, 502.14 and 161.22

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Solution

The fourth proportional to 334.88, 502.14 and 161.22 is: 241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    334.88 : 502.14 = 161.22 : x
  2. Step 2: Convert to fraction form
    334.88/502.14 = 161.22/x
  3. Step 3: Cross multiply
    334.88x = 502.14 × 161.22
  4. Step 4: Simplify right side
    334.88x = 80,952.13
  5. Step 5: Solve for x
    x = 80,952.13/334.88
  6. Step 6: Final answer
    x = 241.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.