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Finding the Fourth Proportional to 174.69, 241.06 and 115.60

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Solution

The fourth proportional to 174.69, 241.06 and 115.60 is: 159.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.69 : 241.06 = 115.60 : x
  2. Step 2: Convert to fraction form
    174.69/241.06 = 115.60/x
  3. Step 3: Cross multiply
    174.69x = 241.06 × 115.60
  4. Step 4: Simplify right side
    174.69x = 27,866.54
  5. Step 5: Solve for x
    x = 27,866.54/174.69
  6. Step 6: Final answer
    x = 159.52

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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.