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Finding the Fourth Proportional to 175.34, 241.97 and 109.82

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Solution

The fourth proportional to 175.34, 241.97 and 109.82 is: 151.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.34 : 241.97 = 109.82 : x
  2. Step 2: Convert to fraction form
    175.34/241.97 = 109.82/x
  3. Step 3: Cross multiply
    175.34x = 241.97 × 109.82
  4. Step 4: Simplify right side
    175.34x = 26,572.82
  5. Step 5: Solve for x
    x = 26,572.82/175.34
  6. Step 6: Final answer
    x = 151.55

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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.