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Finding the Fourth Proportional to 192.86, 290.01 and 162.62

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Solution

The fourth proportional to 192.86, 290.01 and 162.62 is: 244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192.86 : 290.01 = 162.62 : x
  2. Step 2: Convert to fraction form
    192.86/290.01 = 162.62/x
  3. Step 3: Cross multiply
    192.86x = 290.01 × 162.62
  4. Step 4: Simplify right side
    192.86x = 47,161.43
  5. Step 5: Solve for x
    x = 47,161.43/192.86
  6. Step 6: Final answer
    x = 244.54

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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.