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Finding the Fourth Proportional to 241.36, 361.44 and 168.88

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Solution

The fourth proportional to 241.36, 361.44 and 168.88 is: 252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.36 : 361.44 = 168.88 : x
  2. Step 2: Convert to fraction form
    241.36/361.44 = 168.88/x
  3. Step 3: Cross multiply
    241.36x = 361.44 × 168.88
  4. Step 4: Simplify right side
    241.36x = 61,039.99
  5. Step 5: Solve for x
    x = 61,039.99/241.36
  6. Step 6: Final answer
    x = 252.90

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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.