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Finding the Fourth Proportional to 169,803.60, 254,413.80 and 110,608.80

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Solution

The fourth proportional to 169,803.60, 254,413.80 and 110,608.80 is: 165,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803.60 : 254,413.80 = 110,608.80 : x
  2. Step 2: Convert to fraction form
    169,803.60/254,413.80 = 110,608.80/x
  3. Step 3: Cross multiply
    169,803.60x = 254,413.80 × 110,608.80
  4. Step 4: Simplify right side
    169,803.60x = 28,140,405,121.44
  5. Step 5: Solve for x
    x = 28,140,405,121.44/169,803.60
  6. Step 6: Final answer
    x = 165,723.25

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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.