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Finding the Fourth Proportional to 203,556.57, 305,050.41 and 173,413.77

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Solution

The fourth proportional to 203,556.57, 305,050.41 and 173,413.77 is: 259,878.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,556.57 : 305,050.41 = 173,413.77 : x
  2. Step 2: Convert to fraction form
    203,556.57/305,050.41 = 173,413.77/x
  3. Step 3: Cross multiply
    203,556.57x = 305,050.41 × 173,413.77
  4. Step 4: Simplify right side
    203,556.57x = 52,899,941,638.15
  5. Step 5: Solve for x
    x = 52,899,941,638.15/203,556.57
  6. Step 6: Final answer
    x = 259,878.33

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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.