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Finding the Fourth Proportional to 175.86, 262.26 and 168.12

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Solution

The fourth proportional to 175.86, 262.26 and 168.12 is: 250.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.86 : 262.26 = 168.12 : x
  2. Step 2: Convert to fraction form
    175.86/262.26 = 168.12/x
  3. Step 3: Cross multiply
    175.86x = 262.26 × 168.12
  4. Step 4: Simplify right side
    175.86x = 44,091.15
  5. Step 5: Solve for x
    x = 44,091.15/175.86
  6. Step 6: Final answer
    x = 250.72

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.