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Finding the Fourth Proportional to 193.58, 267.03 and 110.65

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Solution

The fourth proportional to 193.58, 267.03 and 110.65 is: 152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.58 : 267.03 = 110.65 : x
  2. Step 2: Convert to fraction form
    193.58/267.03 = 110.65/x
  3. Step 3: Cross multiply
    193.58x = 267.03 × 110.65
  4. Step 4: Simplify right side
    193.58x = 29,546.87
  5. Step 5: Solve for x
    x = 29,546.87/193.58
  6. Step 6: Final answer
    x = 152.63

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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.