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Finding the Fourth Proportional to 241.74, 362.53 and 111.63

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Solution

The fourth proportional to 241.74, 362.53 and 111.63 is: 167.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    241.74 : 362.53 = 111.63 : x
  2. Step 2: Convert to fraction form
    241.74/362.53 = 111.63/x
  3. Step 3: Cross multiply
    241.74x = 362.53 × 111.63
  4. Step 4: Simplify right side
    241.74x = 40,469.22
  5. Step 5: Solve for x
    x = 40,469.22/241.74
  6. Step 6: Final answer
    x = 167.41

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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.