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Finding the Fourth Proportional to 104,612.26, 156,940.62 and 29,755.30

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Solution

The fourth proportional to 104,612.26, 156,940.62 and 29,755.30 is: 44,639.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,612.26 : 156,940.62 = 29,755.30 : x
  2. Step 2: Convert to fraction form
    104,612.26/156,940.62 = 29,755.30/x
  3. Step 3: Cross multiply
    104,612.26x = 156,940.62 × 29,755.30
  4. Step 4: Simplify right side
    104,612.26x = 4,669,815,230.29
  5. Step 5: Solve for x
    x = 4,669,815,230.29/104,612.26
  6. Step 6: Final answer
    x = 44,639.27

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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.