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Finding the Fourth Proportional to 175.24, 241.72 and 112.97

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Solution

The fourth proportional to 175.24, 241.72 and 112.97 is: 155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.24 : 241.72 = 112.97 : x
  2. Step 2: Convert to fraction form
    175.24/241.72 = 112.97/x
  3. Step 3: Cross multiply
    175.24x = 241.72 × 112.97
  4. Step 4: Simplify right side
    175.24x = 27,307.11
  5. Step 5: Solve for x
    x = 27,307.11/175.24
  6. Step 6: Final answer
    x = 155.83

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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.