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Finding the Fourth Proportional to 194.00, 268.01 and 131.83

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Solution

The fourth proportional to 194.00, 268.01 and 131.83 is: 182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.00 : 268.01 = 131.83 : x
  2. Step 2: Convert to fraction form
    194.00/268.01 = 131.83/x
  3. Step 3: Cross multiply
    194.00x = 268.01 × 131.83
  4. Step 4: Simplify right side
    194.00x = 35,330.92
  5. Step 5: Solve for x
    x = 35,330.92/194.00
  6. Step 6: Final answer
    x = 182.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.