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Finding the Fourth Proportional to 264,143.96, 396,201.38 and 193,139.36

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Solution

The fourth proportional to 264,143.96, 396,201.38 and 193,139.36 is: 289,698.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,143.96 : 396,201.38 = 193,139.36 : x
  2. Step 2: Convert to fraction form
    264,143.96/396,201.38 = 193,139.36/x
  3. Step 3: Cross multiply
    264,143.96x = 396,201.38 × 193,139.36
  4. Step 4: Simplify right side
    264,143.96x = 76,522,080,964.32
  5. Step 5: Solve for x
    x = 76,522,080,964.32/264,143.96
  6. Step 6: Final answer
    x = 289,698.39

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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.