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Finding the Fourth Proportional to 89,245.44, 133,826.63 and 33,083.28

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Solution

The fourth proportional to 89,245.44, 133,826.63 and 33,083.28 is: 49,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,245.44 : 133,826.63 = 33,083.28 : x
  2. Step 2: Convert to fraction form
    89,245.44/133,826.63 = 33,083.28/x
  3. Step 3: Cross multiply
    89,245.44x = 133,826.63 × 33,083.28
  4. Step 4: Simplify right side
    89,245.44x = 4,427,423,706.33
  5. Step 5: Solve for x
    x = 4,427,423,706.33/89,245.44
  6. Step 6: Final answer
    x = 49,609.52

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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.