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Finding the Fourth Proportional to 267,144.57, 400,713.48 and 107,291.25

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Solution

The fourth proportional to 267,144.57, 400,713.48 and 107,291.25 is: 160,935.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,144.57 : 400,713.48 = 107,291.25 : x
  2. Step 2: Convert to fraction form
    267,144.57/400,713.48 = 107,291.25/x
  3. Step 3: Cross multiply
    267,144.57x = 400,713.48 × 107,291.25
  4. Step 4: Simplify right side
    267,144.57x = 42,993,050,161.05
  5. Step 5: Solve for x
    x = 42,993,050,161.05/267,144.57
  6. Step 6: Final answer
    x = 160,935.52

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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.