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Finding the Fourth Proportional to 104,379.44, 156,593.04 and 45,224.96

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Solution

The fourth proportional to 104,379.44, 156,593.04 and 45,224.96 is: 67,847.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,379.44 : 156,593.04 = 45,224.96 : x
  2. Step 2: Convert to fraction form
    104,379.44/156,593.04 = 45,224.96/x
  3. Step 3: Cross multiply
    104,379.44x = 156,593.04 × 45,224.96
  4. Step 4: Simplify right side
    104,379.44x = 7,081,913,970.28
  5. Step 5: Solve for x
    x = 7,081,913,970.28/104,379.44
  6. Step 6: Final answer
    x = 67,847.79

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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.