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Finding the Fourth Proportional to 174.33, 261.57 and 93.24

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Solution

The fourth proportional to 174.33, 261.57 and 93.24 is: 139.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.33 : 261.57 = 93.24 : x
  2. Step 2: Convert to fraction form
    174.33/261.57 = 93.24/x
  3. Step 3: Cross multiply
    174.33x = 261.57 × 93.24
  4. Step 4: Simplify right side
    174.33x = 24,388.79
  5. Step 5: Solve for x
    x = 24,388.79/174.33
  6. Step 6: Final answer
    x = 139.90

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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.