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Finding the Fourth Proportional to 193.59, 267.20 and 110.74

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Solution

The fourth proportional to 193.59, 267.20 and 110.74 is: 152.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.59 : 267.20 = 110.74 : x
  2. Step 2: Convert to fraction form
    193.59/267.20 = 110.74/x
  3. Step 3: Cross multiply
    193.59x = 267.20 × 110.74
  4. Step 4: Simplify right side
    193.59x = 29,588.39
  5. Step 5: Solve for x
    x = 29,588.39/193.59
  6. Step 6: Final answer
    x = 152.84

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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.