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Finding the Fourth Proportional to 262.43, 362.14 and 151.88

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Solution

The fourth proportional to 262.43, 362.14 and 151.88 is: 209.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.43 : 362.14 = 151.88 : x
  2. Step 2: Convert to fraction form
    262.43/362.14 = 151.88/x
  3. Step 3: Cross multiply
    262.43x = 362.14 × 151.88
  4. Step 4: Simplify right side
    262.43x = 55,002.35
  5. Step 5: Solve for x
    x = 55,002.35/262.43
  6. Step 6: Final answer
    x = 209.59

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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.