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Finding the Fourth Proportional to 242.02, 362.37 and 168.66

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Solution

The fourth proportional to 242.02, 362.37 and 168.66 is: 252.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.02 : 362.37 = 168.66 : x
  2. Step 2: Convert to fraction form
    242.02/362.37 = 168.66/x
  3. Step 3: Cross multiply
    242.02x = 362.37 × 168.66
  4. Step 4: Simplify right side
    242.02x = 61,116.90
  5. Step 5: Solve for x
    x = 61,116.90/242.02
  6. Step 6: Final answer
    x = 252.53

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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.