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Finding the Fourth Proportional to 148,201.82, 204,516.60 and 84,540.68

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Solution

The fourth proportional to 148,201.82, 204,516.60 and 84,540.68 is: 116,665.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,201.82 : 204,516.60 = 84,540.68 : x
  2. Step 2: Convert to fraction form
    148,201.82/204,516.60 = 84,540.68/x
  3. Step 3: Cross multiply
    148,201.82x = 204,516.60 × 84,540.68
  4. Step 4: Simplify right side
    148,201.82x = 17,289,972,435.29
  5. Step 5: Solve for x
    x = 17,289,972,435.29/148,201.82
  6. Step 6: Final answer
    x = 116,665.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.