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Finding the Fourth Proportional to 104,379.67, 156,579.72 and 29,500.39

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Solution

The fourth proportional to 104,379.67, 156,579.72 and 29,500.39 is: 44,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,379.67 : 156,579.72 = 29,500.39 : x
  2. Step 2: Convert to fraction form
    104,379.67/156,579.72 = 29,500.39/x
  3. Step 3: Cross multiply
    104,379.67x = 156,579.72 × 29,500.39
  4. Step 4: Simplify right side
    104,379.67x = 4,619,162,806.09
  5. Step 5: Solve for x
    x = 4,619,162,806.09/104,379.67
  6. Step 6: Final answer
    x = 44,253.47

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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.