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Finding the Fourth Proportional to 104,378.67, 156,578.22 and 29,499.39

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Solution

The fourth proportional to 104,378.67, 156,578.22 and 29,499.39 is: 44,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,378.67 : 156,578.22 = 29,499.39 : x
  2. Step 2: Convert to fraction form
    104,378.67/156,578.22 = 29,499.39/x
  3. Step 3: Cross multiply
    104,378.67x = 156,578.22 × 29,499.39
  4. Step 4: Simplify right side
    104,378.67x = 4,618,961,977.29
  5. Step 5: Solve for x
    x = 4,618,961,977.29/104,378.67
  6. Step 6: Final answer
    x = 44,251.97

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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.