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Finding the Fourth Proportional to 168,171,489.15, 252,257,233.73 and 168,171,489.15

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Solution

The fourth proportional to 168,171,489.15, 252,257,233.73 and 168,171,489.15 is: 252,257,233.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,171,489.15 : 252,257,233.73 = 168,171,489.15 : x
  2. Step 2: Convert to fraction form
    168,171,489.15/252,257,233.73 = 168,171,489.15/x
  3. Step 3: Cross multiply
    168,171,489.15x = 252,257,233.73 × 168,171,489.15
  4. Step 4: Simplify right side
    168,171,489.15x = 42,422,474,644,392,856
  5. Step 5: Solve for x
    x = 42,422,474,644,392,856/168,171,489.15
  6. Step 6: Final answer
    x = 252,257,233.73

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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.