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Finding the Fourth Proportional to 194, 267.73 and 111.14

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Solution

The fourth proportional to 194, 267.73 and 111.14 is: 153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    194 : 267.73 = 111.14 : x
  2. Step 2: Convert to fraction form
    194/267.73 = 111.14/x
  3. Step 3: Cross multiply
    194x = 267.73 × 111.14
  4. Step 4: Simplify right side
    194x = 29,754.17
  5. Step 5: Solve for x
    x = 29,754.17/194
  6. Step 6: Final answer
    x = 153.37

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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.