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Finding the Fourth Proportional to 170,661.75, 255,970.08 and 50,716.14

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Solution

The fourth proportional to 170,661.75, 255,970.08 and 50,716.14 is: 76,067.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,661.75 : 255,970.08 = 50,716.14 : x
  2. Step 2: Convert to fraction form
    170,661.75/255,970.08 = 50,716.14/x
  3. Step 3: Cross multiply
    170,661.75x = 255,970.08 × 50,716.14
  4. Step 4: Simplify right side
    170,661.75x = 12,981,814,413.09
  5. Step 5: Solve for x
    x = 12,981,814,413.09/170,661.75
  6. Step 6: Final answer
    x = 76,067.51

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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.