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Finding the Fourth Proportional to 174.97, 241.47 and 105.03

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Solution

The fourth proportional to 174.97, 241.47 and 105.03 is: 144.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.97 : 241.47 = 105.03 : x
  2. Step 2: Convert to fraction form
    174.97/241.47 = 105.03/x
  3. Step 3: Cross multiply
    174.97x = 241.47 × 105.03
  4. Step 4: Simplify right side
    174.97x = 25,361.86
  5. Step 5: Solve for x
    x = 25,361.86/174.97
  6. Step 6: Final answer
    x = 144.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.