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Finding the Fourth Proportional to 104,410,879.20, 156,616,318.80 and 43,944,703.20

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Solution

The fourth proportional to 104,410,879.20, 156,616,318.80 and 43,944,703.20 is: 65,917,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,410,879.20 : 156,616,318.80 = 43,944,703.20 : x
  2. Step 2: Convert to fraction form
    104,410,879.20/156,616,318.80 = 43,944,703.20/x
  3. Step 3: Cross multiply
    104,410,879.20x = 156,616,318.80 × 43,944,703.20
  4. Step 4: Simplify right side
    104,410,879.20x = 6,882,457,645,942,581
  5. Step 5: Solve for x
    x = 6,882,457,645,942,581/104,410,879.20
  6. Step 6: Final answer
    x = 65,917,054.80

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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.