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Finding the Fourth Proportional to 262.99, 362.93 and 144.97

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Solution

The fourth proportional to 262.99, 362.93 and 144.97 is: 200.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.99 : 362.93 = 144.97 : x
  2. Step 2: Convert to fraction form
    262.99/362.93 = 144.97/x
  3. Step 3: Cross multiply
    262.99x = 362.93 × 144.97
  4. Step 4: Simplify right side
    262.99x = 52,614.23
  5. Step 5: Solve for x
    x = 52,614.23/262.99
  6. Step 6: Final answer
    x = 200.06

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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.