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Finding the Fourth Proportional to 241.25, 361.52 and 104.22

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Solution

The fourth proportional to 241.25, 361.52 and 104.22 is: 156.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.25 : 361.52 = 104.22 : x
  2. Step 2: Convert to fraction form
    241.25/361.52 = 104.22/x
  3. Step 3: Cross multiply
    241.25x = 361.52 × 104.22
  4. Step 4: Simplify right side
    241.25x = 37,677.09
  5. Step 5: Solve for x
    x = 37,677.09/241.25
  6. Step 6: Final answer
    x = 156.18

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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.