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Finding the Fourth Proportional to 104,379.17, 156,578.97 and 29,499.89

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Solution

The fourth proportional to 104,379.17, 156,578.97 and 29,499.89 is: 44,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,379.17 : 156,578.97 = 29,499.89 : x
  2. Step 2: Convert to fraction form
    104,379.17/156,578.97 = 29,499.89/x
  3. Step 3: Cross multiply
    104,379.17x = 156,578.97 × 29,499.89
  4. Step 4: Simplify right side
    104,379.17x = 4,619,062,391.31
  5. Step 5: Solve for x
    x = 4,619,062,391.31/104,379.17
  6. Step 6: Final answer
    x = 44,252.72

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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.