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Finding the Fourth Proportional to 174.36, 240.60 and 112.24

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Solution

The fourth proportional to 174.36, 240.60 and 112.24 is: 154.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.36 : 240.60 = 112.24 : x
  2. Step 2: Convert to fraction form
    174.36/240.60 = 112.24/x
  3. Step 3: Cross multiply
    174.36x = 240.60 × 112.24
  4. Step 4: Simplify right side
    174.36x = 27,004.94
  5. Step 5: Solve for x
    x = 27,004.94/174.36
  6. Step 6: Final answer
    x = 154.88

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