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Finding the Fourth Proportional to 174.69, 241.06 and 103.83

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Solution

The fourth proportional to 174.69, 241.06 and 103.83 is: 143.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.69 : 241.06 = 103.83 : x
  2. Step 2: Convert to fraction form
    174.69/241.06 = 103.83/x
  3. Step 3: Cross multiply
    174.69x = 241.06 × 103.83
  4. Step 4: Simplify right side
    174.69x = 25,029.26
  5. Step 5: Solve for x
    x = 25,029.26/174.69
  6. Step 6: Final answer
    x = 143.28

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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.