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Finding the Fourth Proportional to 174.80, 262.30 and 93.59

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Solution

The fourth proportional to 174.80, 262.30 and 93.59 is: 140.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.80 : 262.30 = 93.59 : x
  2. Step 2: Convert to fraction form
    174.80/262.30 = 93.59/x
  3. Step 3: Cross multiply
    174.80x = 262.30 × 93.59
  4. Step 4: Simplify right side
    174.80x = 24,549.08
  5. Step 5: Solve for x
    x = 24,549.08/174.80
  6. Step 6: Final answer
    x = 140.44

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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.