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Finding the Fourth Proportional to 267,231.69, 400,891.68 and 126,942.93

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Solution

The fourth proportional to 267,231.69, 400,891.68 and 126,942.93 is: 190,435.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,231.69 : 400,891.68 = 126,942.93 : x
  2. Step 2: Convert to fraction form
    267,231.69/400,891.68 = 126,942.93/x
  3. Step 3: Cross multiply
    267,231.69x = 400,891.68 × 126,942.93
  4. Step 4: Simplify right side
    267,231.69x = 50,890,364,471.82
  5. Step 5: Solve for x
    x = 50,890,364,471.82/267,231.69
  6. Step 6: Final answer
    x = 190,435.37

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1.5x scale

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.