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Finding the Fourth Proportional to 173.44, 259.44 and 134.92

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Solution

The fourth proportional to 173.44, 259.44 and 134.92 is: 201.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    173.44 : 259.44 = 134.92 : x
  2. Step 2: Convert to fraction form
    173.44/259.44 = 134.92/x
  3. Step 3: Cross multiply
    173.44x = 259.44 × 134.92
  4. Step 4: Simplify right side
    173.44x = 35,003.64
  5. Step 5: Solve for x
    x = 35,003.64/173.44
  6. Step 6: Final answer
    x = 201.82

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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.