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Finding the Fourth Proportional to 188,928,793.60, 283,393,190.40 and 52,635,212.80

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Solution

The fourth proportional to 188,928,793.60, 283,393,190.40 and 52,635,212.80 is: 78,952,819.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,928,793.60 : 283,393,190.40 = 52,635,212.80 : x
  2. Step 2: Convert to fraction form
    188,928,793.60/283,393,190.40 = 52,635,212.80/x
  3. Step 3: Cross multiply
    188,928,793.60x = 283,393,190.40 × 52,635,212.80
  4. Step 4: Simplify right side
    188,928,793.60x = 14,916,460,882,774,916
  5. Step 5: Solve for x
    x = 14,916,460,882,774,916/188,928,793.60
  6. Step 6: Final answer
    x = 78,952,819.20

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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.