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Finding the Fourth Proportional to 146,758.80, 219,846.60 and 80,079.60

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Solution

The fourth proportional to 146,758.80, 219,846.60 and 80,079.60 is: 119,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,758.80 : 219,846.60 = 80,079.60 : x
  2. Step 2: Convert to fraction form
    146,758.80/219,846.60 = 80,079.60/x
  3. Step 3: Cross multiply
    146,758.80x = 219,846.60 × 80,079.60
  4. Step 4: Simplify right side
    146,758.80x = 17,605,227,789.36
  5. Step 5: Solve for x
    x = 17,605,227,789.36/146,758.80
  6. Step 6: Final answer
    x = 119,960.29

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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.