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Finding the Fourth Proportional to 175.12, 262.68 and 93.85

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Solution

The fourth proportional to 175.12, 262.68 and 93.85 is: 140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.12 : 262.68 = 93.85 : x
  2. Step 2: Convert to fraction form
    175.12/262.68 = 93.85/x
  3. Step 3: Cross multiply
    175.12x = 262.68 × 93.85
  4. Step 4: Simplify right side
    175.12x = 24,651.51
  5. Step 5: Solve for x
    x = 24,651.51/175.12
  6. Step 6: Final answer
    x = 140.77

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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.