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Finding the Fourth Proportional to 192,656.28, 288,861.33 and 92,617.41

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Solution

The fourth proportional to 192,656.28, 288,861.33 and 92,617.41 is: 138,866.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,656.28 : 288,861.33 = 92,617.41 : x
  2. Step 2: Convert to fraction form
    192,656.28/288,861.33 = 92,617.41/x
  3. Step 3: Cross multiply
    192,656.28x = 288,861.33 × 92,617.41
  4. Step 4: Simplify right side
    192,656.28x = 26,753,588,233.76
  5. Step 5: Solve for x
    x = 26,753,588,233.76/192,656.28
  6. Step 6: Final answer
    x = 138,866.94

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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.