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Finding the Fourth Proportional to 160.83, 241.25 and 92.43

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Solution

The fourth proportional to 160.83, 241.25 and 92.43 is: 138.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.83 : 241.25 = 92.43 : x
  2. Step 2: Convert to fraction form
    160.83/241.25 = 92.43/x
  3. Step 3: Cross multiply
    160.83x = 241.25 × 92.43
  4. Step 4: Simplify right side
    160.83x = 22,298.28
  5. Step 5: Solve for x
    x = 22,298.28/160.83
  6. Step 6: Final answer
    x = 138.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.