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Finding the Fourth Proportional to 175.84, 264 and 111.76

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Solution

The fourth proportional to 175.84, 264 and 111.76 is: 167.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.84 : 264 = 111.76 : x
  2. Step 2: Convert to fraction form
    175.84/264 = 111.76/x
  3. Step 3: Cross multiply
    175.84x = 264 × 111.76
  4. Step 4: Simplify right side
    175.84x = 29,504.64
  5. Step 5: Solve for x
    x = 29,504.64/175.84
  6. Step 6: Final answer
    x = 167.79

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Why These Related Problems?

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