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Finding the Fourth Proportional to 174.66, 262.02 and 144.35

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Solution

The fourth proportional to 174.66, 262.02 and 144.35 is: 216.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.66 : 262.02 = 144.35 : x
  2. Step 2: Convert to fraction form
    174.66/262.02 = 144.35/x
  3. Step 3: Cross multiply
    174.66x = 262.02 × 144.35
  4. Step 4: Simplify right side
    174.66x = 37,821.28
  5. Step 5: Solve for x
    x = 37,821.28/174.66
  6. Step 6: Final answer
    x = 216.54

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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.