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Finding the Fourth Proportional to 173,833.60, 260,847.60 and 73,976.80

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Solution

The fourth proportional to 173,833.60, 260,847.60 and 73,976.80 is: 111,006.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,833.60 : 260,847.60 = 73,976.80 : x
  2. Step 2: Convert to fraction form
    173,833.60/260,847.60 = 73,976.80/x
  3. Step 3: Cross multiply
    173,833.60x = 260,847.60 × 73,976.80
  4. Step 4: Simplify right side
    173,833.60x = 19,296,670,735.68
  5. Step 5: Solve for x
    x = 19,296,670,735.68/173,833.60
  6. Step 6: Final answer
    x = 111,006.56

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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.