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Finding the Fourth Proportional to 193.68, 267.33 and 116.07

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Solution

The fourth proportional to 193.68, 267.33 and 116.07 is: 160.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.68 : 267.33 = 116.07 : x
  2. Step 2: Convert to fraction form
    193.68/267.33 = 116.07/x
  3. Step 3: Cross multiply
    193.68x = 267.33 × 116.07
  4. Step 4: Simplify right side
    193.68x = 31,028.99
  5. Step 5: Solve for x
    x = 31,028.99/193.68
  6. Step 6: Final answer
    x = 160.21

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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.