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Finding the Fourth Proportional to 169,413.86, 254,122.76 and 51,086.22

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Solution

The fourth proportional to 169,413.86, 254,122.76 and 51,086.22 is: 76,629.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,413.86 : 254,122.76 = 51,086.22 : x
  2. Step 2: Convert to fraction form
    169,413.86/254,122.76 = 51,086.22/x
  3. Step 3: Cross multiply
    169,413.86x = 254,122.76 × 51,086.22
  4. Step 4: Simplify right side
    169,413.86x = 12,982,171,224.37
  5. Step 5: Solve for x
    x = 12,982,171,224.37/169,413.86
  6. Step 6: Final answer
    x = 76,629.92

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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.