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Finding the Fourth Proportional to 104,503, 156,760.44 and 33,431.88

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Solution

The fourth proportional to 104,503, 156,760.44 and 33,431.88 is: 50,149.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,503 : 156,760.44 = 33,431.88 : x
  2. Step 2: Convert to fraction form
    104,503/156,760.44 = 33,431.88/x
  3. Step 3: Cross multiply
    104,503x = 156,760.44 × 33,431.88
  4. Step 4: Simplify right side
    104,503x = 5,240,796,218.83
  5. Step 5: Solve for x
    x = 5,240,796,218.83/104,503
  6. Step 6: Final answer
    x = 50,149.72

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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.