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Finding the Fourth Proportional to 194.07, 267.57 and 141.57

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Solution

The fourth proportional to 194.07, 267.57 and 141.57 is: 195.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194.07 : 267.57 = 141.57 : x
  2. Step 2: Convert to fraction form
    194.07/267.57 = 141.57/x
  3. Step 3: Cross multiply
    194.07x = 267.57 × 141.57
  4. Step 4: Simplify right side
    194.07x = 37,879.88
  5. Step 5: Solve for x
    x = 37,879.88/194.07
  6. Step 6: Final answer
    x = 195.19

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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.