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Finding the Fourth Proportional to 262.75, 394.27 and 160.10

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Solution

The fourth proportional to 262.75, 394.27 and 160.10 is: 240.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.75 : 394.27 = 160.10 : x
  2. Step 2: Convert to fraction form
    262.75/394.27 = 160.10/x
  3. Step 3: Cross multiply
    262.75x = 394.27 × 160.10
  4. Step 4: Simplify right side
    262.75x = 63,123.21
  5. Step 5: Solve for x
    x = 63,123.21/262.75
  6. Step 6: Final answer
    x = 240.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.