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Finding the Fourth Proportional to 176.26, 264.26 and 68

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Solution

The fourth proportional to 176.26, 264.26 and 68 is: 101.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.26 : 264.26 = 68 : x
  2. Step 2: Convert to fraction form
    176.26/264.26 = 68/x
  3. Step 3: Cross multiply
    176.26x = 264.26 × 68
  4. Step 4: Simplify right side
    176.26x = 17,969.68
  5. Step 5: Solve for x
    x = 17,969.68/176.26
  6. Step 6: Final answer
    x = 101.95

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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.