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Finding the Fourth Proportional to 104,353.30, 156,721.92 and 54,467.02

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Solution

The fourth proportional to 104,353.30, 156,721.92 and 54,467.02 is: 81,800.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,353.30 : 156,721.92 = 54,467.02 : x
  2. Step 2: Convert to fraction form
    104,353.30/156,721.92 = 54,467.02/x
  3. Step 3: Cross multiply
    104,353.30x = 156,721.92 × 54,467.02
  4. Step 4: Simplify right side
    104,353.30x = 8,536,175,951.08
  5. Step 5: Solve for x
    x = 8,536,175,951.08/104,353.30
  6. Step 6: Final answer
    x = 81,800.73

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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.