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Finding the Fourth Proportional to 89,980.33, 134,853.43 and 36,610.11

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Solution

The fourth proportional to 89,980.33, 134,853.43 and 36,610.11 is: 54,867.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,980.33 : 134,853.43 = 36,610.11 : x
  2. Step 2: Convert to fraction form
    89,980.33/134,853.43 = 36,610.11/x
  3. Step 3: Cross multiply
    89,980.33x = 134,853.43 × 36,610.11
  4. Step 4: Simplify right side
    89,980.33x = 4,936,998,906.18
  5. Step 5: Solve for x
    x = 4,936,998,906.18/89,980.33
  6. Step 6: Final answer
    x = 54,867.54

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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.