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Finding the Fourth Proportional to 176.72, 264.70 and 108.04

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Solution

The fourth proportional to 176.72, 264.70 and 108.04 is: 161.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    176.72 : 264.70 = 108.04 : x
  2. Step 2: Convert to fraction form
    176.72/264.70 = 108.04/x
  3. Step 3: Cross multiply
    176.72x = 264.70 × 108.04
  4. Step 4: Simplify right side
    176.72x = 28,596.59
  5. Step 5: Solve for x
    x = 28,596.59/176.72
  6. Step 6: Final answer
    x = 161.82

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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.