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Finding the Fourth Proportional to 150,980.80, 226,413.60 and 45,764.80

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Solution

The fourth proportional to 150,980.80, 226,413.60 and 45,764.80 is: 68,629.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,980.80 : 226,413.60 = 45,764.80 : x
  2. Step 2: Convert to fraction form
    150,980.80/226,413.60 = 45,764.80/x
  3. Step 3: Cross multiply
    150,980.80x = 226,413.60 × 45,764.80
  4. Step 4: Simplify right side
    150,980.80x = 10,361,773,121.28
  5. Step 5: Solve for x
    x = 10,361,773,121.28/150,980.80
  6. Step 6: Final answer
    x = 68,629.74

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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.