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Finding the Fourth Proportional to 104,173.48, 156,247.82 and 27,231.40

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Solution

The fourth proportional to 104,173.48, 156,247.82 and 27,231.40 is: 40,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,173.48 : 156,247.82 = 27,231.40 : x
  2. Step 2: Convert to fraction form
    104,173.48/156,247.82 = 27,231.40/x
  3. Step 3: Cross multiply
    104,173.48x = 156,247.82 × 27,231.40
  4. Step 4: Simplify right side
    104,173.48x = 4,254,846,885.55
  5. Step 5: Solve for x
    x = 4,254,846,885.55/104,173.48
  6. Step 6: Final answer
    x = 40,843.86

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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.