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Finding the Fourth Proportional to 194.68, 268.98 and 183.88

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Solution

The fourth proportional to 194.68, 268.98 and 183.88 is: 254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.68 : 268.98 = 183.88 : x
  2. Step 2: Convert to fraction form
    194.68/268.98 = 183.88/x
  3. Step 3: Cross multiply
    194.68x = 268.98 × 183.88
  4. Step 4: Simplify right side
    194.68x = 49,460.04
  5. Step 5: Solve for x
    x = 49,460.04/194.68
  6. Step 6: Final answer
    x = 254.06

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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.