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Finding the Fourth Proportional to 159,896.33, 239,969.78 and 111,550.52

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Solution

The fourth proportional to 159,896.33, 239,969.78 and 111,550.52 is: 167,413.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,896.33 : 239,969.78 = 111,550.52 : x
  2. Step 2: Convert to fraction form
    159,896.33/239,969.78 = 111,550.52/x
  3. Step 3: Cross multiply
    159,896.33x = 239,969.78 × 111,550.52
  4. Step 4: Simplify right side
    159,896.33x = 26,768,753,743.29
  5. Step 5: Solve for x
    x = 26,768,753,743.29/159,896.33
  6. Step 6: Final answer
    x = 167,413.18

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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.