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Finding the Fourth Proportional to 194.04, 267.66 and 136.08

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Solution

The fourth proportional to 194.04, 267.66 and 136.08 is: 187.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.04 : 267.66 = 136.08 : x
  2. Step 2: Convert to fraction form
    194.04/267.66 = 136.08/x
  3. Step 3: Cross multiply
    194.04x = 267.66 × 136.08
  4. Step 4: Simplify right side
    194.04x = 36,423.17
  5. Step 5: Solve for x
    x = 36,423.17/194.04
  6. Step 6: Final answer
    x = 187.71

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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.