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Finding the Fourth Proportional to 240.52, 361.59 and 168.43

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Solution

The fourth proportional to 240.52, 361.59 and 168.43 is: 253.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.52 : 361.59 = 168.43 : x
  2. Step 2: Convert to fraction form
    240.52/361.59 = 168.43/x
  3. Step 3: Cross multiply
    240.52x = 361.59 × 168.43
  4. Step 4: Simplify right side
    240.52x = 60,902.60
  5. Step 5: Solve for x
    x = 60,902.60/240.52
  6. Step 6: Final answer
    x = 253.21

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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.