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Finding the Fourth Proportional to 173.92, 262.08 and 169.60

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Solution

The fourth proportional to 173.92, 262.08 and 169.60 is: 255.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.92 : 262.08 = 169.60 : x
  2. Step 2: Convert to fraction form
    173.92/262.08 = 169.60/x
  3. Step 3: Cross multiply
    173.92x = 262.08 × 169.60
  4. Step 4: Simplify right side
    173.92x = 44,448.77
  5. Step 5: Solve for x
    x = 44,448.77/173.92
  6. Step 6: Final answer
    x = 255.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.