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Finding the Fourth Proportional to 174.87, 262.04 and 93.76

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Solution

The fourth proportional to 174.87, 262.04 and 93.76 is: 140.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.87 : 262.04 = 93.76 : x
  2. Step 2: Convert to fraction form
    174.87/262.04 = 93.76/x
  3. Step 3: Cross multiply
    174.87x = 262.04 × 93.76
  4. Step 4: Simplify right side
    174.87x = 24,567.75
  5. Step 5: Solve for x
    x = 24,567.75/174.87
  6. Step 6: Final answer
    x = 140.49

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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.