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Finding the Fourth Proportional to 126,300,704.80, 189,451,057.20 and 126,300,704.80

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Solution

The fourth proportional to 126,300,704.80, 189,451,057.20 and 126,300,704.80 is: 189,451,057.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,300,704.80 : 189,451,057.20 = 126,300,704.80 : x
  2. Step 2: Convert to fraction form
    126,300,704.80/189,451,057.20 = 126,300,704.80/x
  3. Step 3: Cross multiply
    126,300,704.80x = 189,451,057.20 × 126,300,704.80
  4. Step 4: Simplify right side
    126,300,704.80x = 23,927,802,049,465,112
  5. Step 5: Solve for x
    x = 23,927,802,049,465,112/126,300,704.80
  6. Step 6: Final answer
    x = 189,451,057.20

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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.