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Finding the Fourth Proportional to 159,644.05, 220,297.54 and 88,022.54

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Solution

The fourth proportional to 159,644.05, 220,297.54 and 88,022.54 is: 121,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,644.05 : 220,297.54 = 88,022.54 : x
  2. Step 2: Convert to fraction form
    159,644.05/220,297.54 = 88,022.54/x
  3. Step 3: Cross multiply
    159,644.05x = 220,297.54 × 88,022.54
  4. Step 4: Simplify right side
    159,644.05x = 19,391,147,601.97
  5. Step 5: Solve for x
    x = 19,391,147,601.97/159,644.05
  6. Step 6: Final answer
    x = 121,464.89

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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.