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Finding the Fourth Proportional to 283.92, 426.06 and 160.68

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Solution

The fourth proportional to 283.92, 426.06 and 160.68 is: 241.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.92 : 426.06 = 160.68 : x
  2. Step 2: Convert to fraction form
    283.92/426.06 = 160.68/x
  3. Step 3: Cross multiply
    283.92x = 426.06 × 160.68
  4. Step 4: Simplify right side
    283.92x = 68,459.32
  5. Step 5: Solve for x
    x = 68,459.32/283.92
  6. Step 6: Final answer
    x = 241.12

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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.