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Finding the Fourth Proportional to 241.11, 361.80 and 158.84

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Solution

The fourth proportional to 241.11, 361.80 and 158.84 is: 238.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.11 : 361.80 = 158.84 : x
  2. Step 2: Convert to fraction form
    241.11/361.80 = 158.84/x
  3. Step 3: Cross multiply
    241.11x = 361.80 × 158.84
  4. Step 4: Simplify right side
    241.11x = 57,467.52
  5. Step 5: Solve for x
    x = 57,467.52/241.11
  6. Step 6: Final answer
    x = 238.35

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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.