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Finding the Fourth Proportional to 175.38, 241.92 and 116.30

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Solution

The fourth proportional to 175.38, 241.92 and 116.30 is: 160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.38 : 241.92 = 116.30 : x
  2. Step 2: Convert to fraction form
    175.38/241.92 = 116.30/x
  3. Step 3: Cross multiply
    175.38x = 241.92 × 116.30
  4. Step 4: Simplify right side
    175.38x = 28,135.30
  5. Step 5: Solve for x
    x = 28,135.30/175.38
  6. Step 6: Final answer
    x = 160.42

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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.