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Finding the Fourth Proportional to 193.26, 266.27 and 160.46

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Solution

The fourth proportional to 193.26, 266.27 and 160.46 is: 221.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.26 : 266.27 = 160.46 : x
  2. Step 2: Convert to fraction form
    193.26/266.27 = 160.46/x
  3. Step 3: Cross multiply
    193.26x = 266.27 × 160.46
  4. Step 4: Simplify right side
    193.26x = 42,725.68
  5. Step 5: Solve for x
    x = 42,725.68/193.26
  6. Step 6: Final answer
    x = 221.08

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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.