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Finding the Fourth Proportional to 175.29, 262.76 and 67.04

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Solution

The fourth proportional to 175.29, 262.76 and 67.04 is: 100.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.29 : 262.76 = 67.04 : x
  2. Step 2: Convert to fraction form
    175.29/262.76 = 67.04/x
  3. Step 3: Cross multiply
    175.29x = 262.76 × 67.04
  4. Step 4: Simplify right side
    175.29x = 17,613.78
  5. Step 5: Solve for x
    x = 17,613.78/175.29
  6. Step 6: Final answer
    x = 100.48

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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.