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Finding the Fourth Proportional to 174.79, 241.18 and 104.83

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Solution

The fourth proportional to 174.79, 241.18 and 104.83 is: 144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.79 : 241.18 = 104.83 : x
  2. Step 2: Convert to fraction form
    174.79/241.18 = 104.83/x
  3. Step 3: Cross multiply
    174.79x = 241.18 × 104.83
  4. Step 4: Simplify right side
    174.79x = 25,283.67
  5. Step 5: Solve for x
    x = 25,283.67/174.79
  6. Step 6: Final answer
    x = 144.65

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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.