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Finding the Fourth Proportional to 175.43, 262.74 and 134.54

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Solution

The fourth proportional to 175.43, 262.74 and 134.54 is: 201.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.43 : 262.74 = 134.54 : x
  2. Step 2: Convert to fraction form
    175.43/262.74 = 134.54/x
  3. Step 3: Cross multiply
    175.43x = 262.74 × 134.54
  4. Step 4: Simplify right side
    175.43x = 35,349.04
  5. Step 5: Solve for x
    x = 35,349.04/175.43
  6. Step 6: Final answer
    x = 201.50

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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.