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Finding the Fourth Proportional to 108,704.38, 163,049.28 and 29,812

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Solution

The fourth proportional to 108,704.38, 163,049.28 and 29,812 is: 44,716.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,704.38 : 163,049.28 = 29,812 : x
  2. Step 2: Convert to fraction form
    108,704.38/163,049.28 = 29,812/x
  3. Step 3: Cross multiply
    108,704.38x = 163,049.28 × 29,812
  4. Step 4: Simplify right side
    108,704.38x = 4,860,825,135.36
  5. Step 5: Solve for x
    x = 4,860,825,135.36/108,704.38
  6. Step 6: Final answer
    x = 44,716.00

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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.