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Finding the Fourth Proportional to 175.22, 241.69 and 116.20

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Solution

The fourth proportional to 175.22, 241.69 and 116.20 is: 160.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.22 : 241.69 = 116.20 : x
  2. Step 2: Convert to fraction form
    175.22/241.69 = 116.20/x
  3. Step 3: Cross multiply
    175.22x = 241.69 × 116.20
  4. Step 4: Simplify right side
    175.22x = 28,083.48
  5. Step 5: Solve for x
    x = 28,083.48/175.22
  6. Step 6: Final answer
    x = 160.28

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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.