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Finding the Fourth Proportional to 171,900.78, 237,211.19 and 95,413.86

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Solution

The fourth proportional to 171,900.78, 237,211.19 and 95,413.86 is: 131,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,900.78 : 237,211.19 = 95,413.86 : x
  2. Step 2: Convert to fraction form
    171,900.78/237,211.19 = 95,413.86/x
  3. Step 3: Cross multiply
    171,900.78x = 237,211.19 × 95,413.86
  4. Step 4: Simplify right side
    171,900.78x = 22,633,235,273.09
  5. Step 5: Solve for x
    x = 22,633,235,273.09/171,900.78
  6. Step 6: Final answer
    x = 131,664.53

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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.