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Finding the Fourth Proportional to 262.94, 362.84 and 144.91

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Solution

The fourth proportional to 262.94, 362.84 and 144.91 is: 199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.94 : 362.84 = 144.91 : x
  2. Step 2: Convert to fraction form
    262.94/362.84 = 144.91/x
  3. Step 3: Cross multiply
    262.94x = 362.84 × 144.91
  4. Step 4: Simplify right side
    262.94x = 52,579.14
  5. Step 5: Solve for x
    x = 52,579.14/262.94
  6. Step 6: Final answer
    x = 199.97

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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.