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Finding the Fourth Proportional to 161.06, 241.52 and 52.83

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Solution

The fourth proportional to 161.06, 241.52 and 52.83 is: 79.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    161.06 : 241.52 = 52.83 : x
  2. Step 2: Convert to fraction form
    161.06/241.52 = 52.83/x
  3. Step 3: Cross multiply
    161.06x = 241.52 × 52.83
  4. Step 4: Simplify right side
    161.06x = 12,759.24
  5. Step 5: Solve for x
    x = 12,759.24/161.06
  6. Step 6: Final answer
    x = 79.22

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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.