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Finding the Fourth Proportional to 193.69, 266.60 and 167.77

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Solution

The fourth proportional to 193.69, 266.60 and 167.77 is: 230.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.69 : 266.60 = 167.77 : x
  2. Step 2: Convert to fraction form
    193.69/266.60 = 167.77/x
  3. Step 3: Cross multiply
    193.69x = 266.60 × 167.77
  4. Step 4: Simplify right side
    193.69x = 44,725.31
  5. Step 5: Solve for x
    x = 44,725.31/193.69
  6. Step 6: Final answer
    x = 230.92

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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.