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Finding the Fourth Proportional to 267,520.49, 401,443.77 and 107,566.43

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Solution

The fourth proportional to 267,520.49, 401,443.77 and 107,566.43 is: 161,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,520.49 : 401,443.77 = 107,566.43 : x
  2. Step 2: Convert to fraction form
    267,520.49/401,443.77 = 107,566.43/x
  3. Step 3: Cross multiply
    267,520.49x = 401,443.77 × 107,566.43
  4. Step 4: Simplify right side
    267,520.49x = 43,181,873,184.64
  5. Step 5: Solve for x
    x = 43,181,873,184.64/267,520.49
  6. Step 6: Final answer
    x = 161,415.20

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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.