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Finding the Fourth Proportional to 193.86, 267.51 and 110.96

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Solution

The fourth proportional to 193.86, 267.51 and 110.96 is: 153.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.86 : 267.51 = 110.96 : x
  2. Step 2: Convert to fraction form
    193.86/267.51 = 110.96/x
  3. Step 3: Cross multiply
    193.86x = 267.51 × 110.96
  4. Step 4: Simplify right side
    193.86x = 29,681.57
  5. Step 5: Solve for x
    x = 29,681.57/193.86
  6. Step 6: Final answer
    x = 153.11

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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.