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Finding the Fourth Proportional to 175.26, 241.89 and 113.17

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Solution

The fourth proportional to 175.26, 241.89 and 113.17 is: 156.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.26 : 241.89 = 113.17 : x
  2. Step 2: Convert to fraction form
    175.26/241.89 = 113.17/x
  3. Step 3: Cross multiply
    175.26x = 241.89 × 113.17
  4. Step 4: Simplify right side
    175.26x = 27,374.09
  5. Step 5: Solve for x
    x = 27,374.09/175.26
  6. Step 6: Final answer
    x = 156.19

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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.