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Finding the Fourth Proportional to 262.37, 362.10 and 151.87

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Solution

The fourth proportional to 262.37, 362.10 and 151.87 is: 209.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.37 : 362.10 = 151.87 : x
  2. Step 2: Convert to fraction form
    262.37/362.10 = 151.87/x
  3. Step 3: Cross multiply
    262.37x = 362.10 × 151.87
  4. Step 4: Simplify right side
    262.37x = 54,992.13
  5. Step 5: Solve for x
    x = 54,992.13/262.37
  6. Step 6: Final answer
    x = 209.60

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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.