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Finding the Fourth Proportional to 174.66, 241.02 and 100.97

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Solution

The fourth proportional to 174.66, 241.02 and 100.97 is: 139.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.66 : 241.02 = 100.97 : x
  2. Step 2: Convert to fraction form
    174.66/241.02 = 100.97/x
  3. Step 3: Cross multiply
    174.66x = 241.02 × 100.97
  4. Step 4: Simplify right side
    174.66x = 24,334.58
  5. Step 5: Solve for x
    x = 24,334.58/174.66
  6. Step 6: Final answer
    x = 139.33

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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.