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Finding the Fourth Proportional to 90,083.82, 135,105.06 and 33,929.76

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Solution

The fourth proportional to 90,083.82, 135,105.06 and 33,929.76 is: 50,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,083.82 : 135,105.06 = 33,929.76 : x
  2. Step 2: Convert to fraction form
    90,083.82/135,105.06 = 33,929.76/x
  3. Step 3: Cross multiply
    90,083.82x = 135,105.06 × 33,929.76
  4. Step 4: Simplify right side
    90,083.82x = 4,584,082,260.59
  5. Step 5: Solve for x
    x = 4,584,082,260.59/90,083.82
  6. Step 6: Final answer
    x = 50,886.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.