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Finding the Fourth Proportional to 164,033.20, 246,049.80 and 143,297.20

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Solution

The fourth proportional to 164,033.20, 246,049.80 and 143,297.20 is: 214,945.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,033.20 : 246,049.80 = 143,297.20 : x
  2. Step 2: Convert to fraction form
    164,033.20/246,049.80 = 143,297.20/x
  3. Step 3: Cross multiply
    164,033.20x = 246,049.80 × 143,297.20
  4. Step 4: Simplify right side
    164,033.20x = 35,258,247,400.56
  5. Step 5: Solve for x
    x = 35,258,247,400.56/164,033.20
  6. Step 6: Final answer
    x = 214,945.80

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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.