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Finding the Fourth Proportional to 221,413.38, 332,169.29 and 63,629.54

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Solution

The fourth proportional to 221,413.38, 332,169.29 and 63,629.54 is: 95,458.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,413.38 : 332,169.29 = 63,629.54 : x
  2. Step 2: Convert to fraction form
    221,413.38/332,169.29 = 63,629.54/x
  3. Step 3: Cross multiply
    221,413.38x = 332,169.29 × 63,629.54
  4. Step 4: Simplify right side
    221,413.38x = 21,135,777,145.83
  5. Step 5: Solve for x
    x = 21,135,777,145.83/221,413.38
  6. Step 6: Final answer
    x = 95,458.45

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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.