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Finding the Fourth Proportional to 325,195.80, 487,866.60 and 100,566.60

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Solution

The fourth proportional to 325,195.80, 487,866.60 and 100,566.60 is: 150,872.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,195.80 : 487,866.60 = 100,566.60 : x
  2. Step 2: Convert to fraction form
    325,195.80/487,866.60 = 100,566.60/x
  3. Step 3: Cross multiply
    325,195.80x = 487,866.60 × 100,566.60
  4. Step 4: Simplify right side
    325,195.80x = 49,063,085,215.56
  5. Step 5: Solve for x
    x = 49,063,085,215.56/325,195.80
  6. Step 6: Final answer
    x = 150,872.44

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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.