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Finding the Fourth Proportional to 193.62, 267.24 and 115.98

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Solution

The fourth proportional to 193.62, 267.24 and 115.98 is: 160.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.62 : 267.24 = 115.98 : x
  2. Step 2: Convert to fraction form
    193.62/267.24 = 115.98/x
  3. Step 3: Cross multiply
    193.62x = 267.24 × 115.98
  4. Step 4: Simplify right side
    193.62x = 30,994.50
  5. Step 5: Solve for x
    x = 30,994.50/193.62
  6. Step 6: Final answer
    x = 160.08

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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.