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Finding the Fourth Proportional to 104,676.45, 156,991.10 and 29,794.94

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Solution

The fourth proportional to 104,676.45, 156,991.10 and 29,794.94 is: 44,685.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,676.45 : 156,991.10 = 29,794.94 : x
  2. Step 2: Convert to fraction form
    104,676.45/156,991.10 = 29,794.94/x
  3. Step 3: Cross multiply
    104,676.45x = 156,991.10 × 29,794.94
  4. Step 4: Simplify right side
    104,676.45x = 4,677,540,059.82
  5. Step 5: Solve for x
    x = 4,677,540,059.82/104,676.45
  6. Step 6: Final answer
    x = 44,685.70

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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.