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Finding the Fourth Proportional to 104,207.52, 156,311.64 and 25,321.44

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Solution

The fourth proportional to 104,207.52, 156,311.64 and 25,321.44 is: 37,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,207.52 : 156,311.64 = 25,321.44 : x
  2. Step 2: Convert to fraction form
    104,207.52/156,311.64 = 25,321.44/x
  3. Step 3: Cross multiply
    104,207.52x = 156,311.64 × 25,321.44
  4. Step 4: Simplify right side
    104,207.52x = 3,958,035,813.56
  5. Step 5: Solve for x
    x = 3,958,035,813.56/104,207.52
  6. Step 6: Final answer
    x = 37,982.25

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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.