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Finding the Fourth Proportional to 174.93, 241.49 and 109.46

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Solution

The fourth proportional to 174.93, 241.49 and 109.46 is: 151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.93 : 241.49 = 109.46 : x
  2. Step 2: Convert to fraction form
    174.93/241.49 = 109.46/x
  3. Step 3: Cross multiply
    174.93x = 241.49 × 109.46
  4. Step 4: Simplify right side
    174.93x = 26,433.50
  5. Step 5: Solve for x
    x = 26,433.50/174.93
  6. Step 6: Final answer
    x = 151.11

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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.