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Finding the Fourth Proportional to 193.59, 267.10 and 118.94

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Solution

The fourth proportional to 193.59, 267.10 and 118.94 is: 164.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.59 : 267.10 = 118.94 : x
  2. Step 2: Convert to fraction form
    193.59/267.10 = 118.94/x
  3. Step 3: Cross multiply
    193.59x = 267.10 × 118.94
  4. Step 4: Simplify right side
    193.59x = 31,769.41
  5. Step 5: Solve for x
    x = 31,769.41/193.59
  6. Step 6: Final answer
    x = 164.11

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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.