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Finding the Fourth Proportional to 193.94, 267.53 and 166.67

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Solution

The fourth proportional to 193.94, 267.53 and 166.67 is: 229.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.94 : 267.53 = 166.67 : x
  2. Step 2: Convert to fraction form
    193.94/267.53 = 166.67/x
  3. Step 3: Cross multiply
    193.94x = 267.53 × 166.67
  4. Step 4: Simplify right side
    193.94x = 44,587.05
  5. Step 5: Solve for x
    x = 44,587.05/193.94
  6. Step 6: Final answer
    x = 229.91

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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.