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Finding the Fourth Proportional to 193.93, 267.58 and 111.02

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Solution

The fourth proportional to 193.93, 267.58 and 111.02 is: 153.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.93 : 267.58 = 111.02 : x
  2. Step 2: Convert to fraction form
    193.93/267.58 = 111.02/x
  3. Step 3: Cross multiply
    193.93x = 267.58 × 111.02
  4. Step 4: Simplify right side
    193.93x = 29,706.73
  5. Step 5: Solve for x
    x = 29,706.73/193.93
  6. Step 6: Final answer
    x = 153.18

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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.