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Finding the Fourth Proportional to 174.90, 262.20 and 93.66

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Solution

The fourth proportional to 174.90, 262.20 and 93.66 is: 140.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.90 : 262.20 = 93.66 : x
  2. Step 2: Convert to fraction form
    174.90/262.20 = 93.66/x
  3. Step 3: Cross multiply
    174.90x = 262.20 × 93.66
  4. Step 4: Simplify right side
    174.90x = 24,557.65
  5. Step 5: Solve for x
    x = 24,557.65/174.90
  6. Step 6: Final answer
    x = 140.41

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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.