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Finding the Fourth Proportional to 174.45, 240.44 and 119.08

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Solution

The fourth proportional to 174.45, 240.44 and 119.08 is: 164.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.45 : 240.44 = 119.08 : x
  2. Step 2: Convert to fraction form
    174.45/240.44 = 119.08/x
  3. Step 3: Cross multiply
    174.45x = 240.44 × 119.08
  4. Step 4: Simplify right side
    174.45x = 28,631.60
  5. Step 5: Solve for x
    x = 28,631.60/174.45
  6. Step 6: Final answer
    x = 164.12

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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.