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Finding the Fourth Proportional to 262.54, 362.31 and 144.52

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Solution

The fourth proportional to 262.54, 362.31 and 144.52 is: 199.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.54 : 362.31 = 144.52 : x
  2. Step 2: Convert to fraction form
    262.54/362.31 = 144.52/x
  3. Step 3: Cross multiply
    262.54x = 362.31 × 144.52
  4. Step 4: Simplify right side
    262.54x = 52,358.51
  5. Step 5: Solve for x
    x = 52,358.51/262.54
  6. Step 6: Final answer
    x = 199.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.