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Finding the Fourth Proportional to 235.10, 324.61 and 175.97

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Solution

The fourth proportional to 235.10, 324.61 and 175.97 is: 242.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235.10 : 324.61 = 175.97 : x
  2. Step 2: Convert to fraction form
    235.10/324.61 = 175.97/x
  3. Step 3: Cross multiply
    235.10x = 324.61 × 175.97
  4. Step 4: Simplify right side
    235.10x = 57,121.99
  5. Step 5: Solve for x
    x = 57,121.99/235.10
  6. Step 6: Final answer
    x = 242.97

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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.