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Finding the Fourth Proportional to 193.54, 267.08 and 106.20

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Solution

The fourth proportional to 193.54, 267.08 and 106.20 is: 146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.54 : 267.08 = 106.20 : x
  2. Step 2: Convert to fraction form
    193.54/267.08 = 106.20/x
  3. Step 3: Cross multiply
    193.54x = 267.08 × 106.20
  4. Step 4: Simplify right side
    193.54x = 28,363.90
  5. Step 5: Solve for x
    x = 28,363.90/193.54
  6. Step 6: Final answer
    x = 146.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.