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Finding the Fourth Proportional to 73,169.84, 109,743.32 and 23,243.38

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Solution

The fourth proportional to 73,169.84, 109,743.32 and 23,243.38 is: 34,861.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,169.84 : 109,743.32 = 23,243.38 : x
  2. Step 2: Convert to fraction form
    73,169.84/109,743.32 = 23,243.38/x
  3. Step 3: Cross multiply
    73,169.84x = 109,743.32 × 23,243.38
  4. Step 4: Simplify right side
    73,169.84x = 2,550,805,472.97
  5. Step 5: Solve for x
    x = 2,550,805,472.97/73,169.84
  6. Step 6: Final answer
    x = 34,861.43

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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.