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Finding the Fourth Proportional to 107,213.80, 160,878.30 and 44,890.60

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Solution

The fourth proportional to 107,213.80, 160,878.30 and 44,890.60 is: 67,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,213.80 : 160,878.30 = 44,890.60 : x
  2. Step 2: Convert to fraction form
    107,213.80/160,878.30 = 44,890.60/x
  3. Step 3: Cross multiply
    107,213.80x = 160,878.30 × 44,890.60
  4. Step 4: Simplify right side
    107,213.80x = 7,221,923,413.98
  5. Step 5: Solve for x
    x = 7,221,923,413.98/107,213.80
  6. Step 6: Final answer
    x = 67,360.02

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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.