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Finding the Fourth Proportional to 268.96, 403.52 and 132.01

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Solution

The fourth proportional to 268.96, 403.52 and 132.01 is: 198.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268.96 : 403.52 = 132.01 : x
  2. Step 2: Convert to fraction form
    268.96/403.52 = 132.01/x
  3. Step 3: Cross multiply
    268.96x = 403.52 × 132.01
  4. Step 4: Simplify right side
    268.96x = 53,268.68
  5. Step 5: Solve for x
    x = 53,268.68/268.96
  6. Step 6: Final answer
    x = 198.05

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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.