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Finding the Fourth Proportional to 144.04, 214.73 and 132.52

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Solution

The fourth proportional to 144.04, 214.73 and 132.52 is: 197.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144.04 : 214.73 = 132.52 : x
  2. Step 2: Convert to fraction form
    144.04/214.73 = 132.52/x
  3. Step 3: Cross multiply
    144.04x = 214.73 × 132.52
  4. Step 4: Simplify right side
    144.04x = 28,456.02
  5. Step 5: Solve for x
    x = 28,456.02/144.04
  6. Step 6: Final answer
    x = 197.56

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.