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Finding the Fourth Proportional to 108,704.73, 163,057.58 and 29,819.85

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Solution

The fourth proportional to 108,704.73, 163,057.58 and 29,819.85 is: 44,729.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.73 : 163,057.58 = 29,819.85 : x
  2. Step 2: Convert to fraction form
    108,704.73/163,057.58 = 29,819.85/x
  3. Step 3: Cross multiply
    108,704.73x = 163,057.58 × 29,819.85
  4. Step 4: Simplify right side
    108,704.73x = 4,862,352,427.86
  5. Step 5: Solve for x
    x = 4,862,352,427.86/108,704.73
  6. Step 6: Final answer
    x = 44,729.91

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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.