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Finding the Fourth Proportional to 174.46, 240.18 and 119.08

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Solution

The fourth proportional to 174.46, 240.18 and 119.08 is: 163.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.46 : 240.18 = 119.08 : x
  2. Step 2: Convert to fraction form
    174.46/240.18 = 119.08/x
  3. Step 3: Cross multiply
    174.46x = 240.18 × 119.08
  4. Step 4: Simplify right side
    174.46x = 28,600.63
  5. Step 5: Solve for x
    x = 28,600.63/174.46
  6. Step 6: Final answer
    x = 163.94

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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.