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Finding the Fourth Proportional to 192,093.28, 287,942.88 and 73,732.72

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Solution

The fourth proportional to 192,093.28, 287,942.88 and 73,732.72 is: 110,523.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,093.28 : 287,942.88 = 73,732.72 : x
  2. Step 2: Convert to fraction form
    192,093.28/287,942.88 = 73,732.72/x
  3. Step 3: Cross multiply
    192,093.28x = 287,942.88 × 73,732.72
  4. Step 4: Simplify right side
    192,093.28x = 21,230,811,747.03
  5. Step 5: Solve for x
    x = 21,230,811,747.03/192,093.28
  6. Step 6: Final answer
    x = 110,523.45

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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.