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Finding the Fourth Proportional to 64,361,604.60, 96,542,406.90 and 51,607,020.60

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Solution

The fourth proportional to 64,361,604.60, 96,542,406.90 and 51,607,020.60 is: 77,410,530.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,361,604.60 : 96,542,406.90 = 51,607,020.60 : x
  2. Step 2: Convert to fraction form
    64,361,604.60/96,542,406.90 = 51,607,020.60/x
  3. Step 3: Cross multiply
    64,361,604.60x = 96,542,406.90 × 51,607,020.60
  4. Step 4: Simplify right side
    64,361,604.60x = 4,982,265,981,661,883
  5. Step 5: Solve for x
    x = 4,982,265,981,661,883/64,361,604.60
  6. Step 6: Final answer
    x = 77,410,530.90

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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.