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Finding the Fourth Proportional to 176.18, 264.20 and 67.94

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Solution

The fourth proportional to 176.18, 264.20 and 67.94 is: 101.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.18 : 264.20 = 67.94 : x
  2. Step 2: Convert to fraction form
    176.18/264.20 = 67.94/x
  3. Step 3: Cross multiply
    176.18x = 264.20 × 67.94
  4. Step 4: Simplify right side
    176.18x = 17,949.08
  5. Step 5: Solve for x
    x = 17,949.08/176.18
  6. Step 6: Final answer
    x = 101.88

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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.