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Finding the Fourth Proportional to 262.06, 361.62 and 151.54

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Solution

The fourth proportional to 262.06, 361.62 and 151.54 is: 209.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.06 : 361.62 = 151.54 : x
  2. Step 2: Convert to fraction form
    262.06/361.62 = 151.54/x
  3. Step 3: Cross multiply
    262.06x = 361.62 × 151.54
  4. Step 4: Simplify right side
    262.06x = 54,798.99
  5. Step 5: Solve for x
    x = 54,798.99/262.06
  6. Step 6: Final answer
    x = 209.11

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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.