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Finding the Fourth Proportional to 269.01, 403.61 and 106.74

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Solution

The fourth proportional to 269.01, 403.61 and 106.74 is: 160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269.01 : 403.61 = 106.74 : x
  2. Step 2: Convert to fraction form
    269.01/403.61 = 106.74/x
  3. Step 3: Cross multiply
    269.01x = 403.61 × 106.74
  4. Step 4: Simplify right side
    269.01x = 43,081.33
  5. Step 5: Solve for x
    x = 43,081.33/269.01
  6. Step 6: Final answer
    x = 160.15

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