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Finding the Fourth Proportional to 177.57, 244.96 and 119.25

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Solution

The fourth proportional to 177.57, 244.96 and 119.25 is: 164.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.57 : 244.96 = 119.25 : x
  2. Step 2: Convert to fraction form
    177.57/244.96 = 119.25/x
  3. Step 3: Cross multiply
    177.57x = 244.96 × 119.25
  4. Step 4: Simplify right side
    177.57x = 29,211.18
  5. Step 5: Solve for x
    x = 29,211.18/177.57
  6. Step 6: Final answer
    x = 164.51

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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.