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Finding the Fourth Proportional to 89,165.82, 133,766.21 and 33,006.41

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Solution

The fourth proportional to 89,165.82, 133,766.21 and 33,006.41 is: 49,516.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,165.82 : 133,766.21 = 33,006.41 : x
  2. Step 2: Convert to fraction form
    89,165.82/133,766.21 = 33,006.41/x
  3. Step 3: Cross multiply
    89,165.82x = 133,766.21 × 33,006.41
  4. Step 4: Simplify right side
    89,165.82x = 4,415,142,371.41
  5. Step 5: Solve for x
    x = 4,415,142,371.41/89,165.82
  6. Step 6: Final answer
    x = 49,516.09

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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.