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Finding the Fourth Proportional to 133,729,212.80, 200,593,819.20 and 133,729,212.80

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Solution

The fourth proportional to 133,729,212.80, 200,593,819.20 and 133,729,212.80 is: 200,593,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,729,212.80 : 200,593,819.20 = 133,729,212.80 : x
  2. Step 2: Convert to fraction form
    133,729,212.80/200,593,819.20 = 133,729,212.80/x
  3. Step 3: Cross multiply
    133,729,212.80x = 200,593,819.20 × 133,729,212.80
  4. Step 4: Simplify right side
    133,729,212.80x = 26,825,253,534,161,524
  5. Step 5: Solve for x
    x = 26,825,253,534,161,524/133,729,212.80
  6. Step 6: Final answer
    x = 200,593,819.20

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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.