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Finding the Fourth Proportional to 175.96, 263.94 and 79.75

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Solution

The fourth proportional to 175.96, 263.94 and 79.75 is: 119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.96 : 263.94 = 79.75 : x
  2. Step 2: Convert to fraction form
    175.96/263.94 = 79.75/x
  3. Step 3: Cross multiply
    175.96x = 263.94 × 79.75
  4. Step 4: Simplify right side
    175.96x = 21,049.22
  5. Step 5: Solve for x
    x = 21,049.22/175.96
  6. Step 6: Final answer
    x = 119.63

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.