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Finding the Fourth Proportional to 269.10, 403.53 and 160.94

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Solution

The fourth proportional to 269.10, 403.53 and 160.94 is: 241.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.10 : 403.53 = 160.94 : x
  2. Step 2: Convert to fraction form
    269.10/403.53 = 160.94/x
  3. Step 3: Cross multiply
    269.10x = 403.53 × 160.94
  4. Step 4: Simplify right side
    269.10x = 64,944.12
  5. Step 5: Solve for x
    x = 64,944.12/269.10
  6. Step 6: Final answer
    x = 241.34

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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.