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Finding the Fourth Proportional to 69,393,019.60, 104,014,879.80 and 26,245,550.80

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Solution

The fourth proportional to 69,393,019.60, 104,014,879.80 and 26,245,550.80 is: 39,340,092.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,393,019.60 : 104,014,879.80 = 26,245,550.80 : x
  2. Step 2: Convert to fraction form
    69,393,019.60/104,014,879.80 = 26,245,550.80/x
  3. Step 3: Cross multiply
    69,393,019.60x = 104,014,879.80 × 26,245,550.80
  4. Step 4: Simplify right side
    69,393,019.60x = 2,729,927,811,746,794
  5. Step 5: Solve for x
    x = 2,729,927,811,746,794/69,393,019.60
  6. Step 6: Final answer
    x = 39,340,092.53

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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.