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Finding the Fourth Proportional to 267,560.82, 401,340.42 and 67,880.84

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Solution

The fourth proportional to 267,560.82, 401,340.42 and 67,880.84 is: 101,821.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,560.82 : 401,340.42 = 67,880.84 : x
  2. Step 2: Convert to fraction form
    267,560.82/401,340.42 = 67,880.84/x
  3. Step 3: Cross multiply
    267,560.82x = 401,340.42 × 67,880.84
  4. Step 4: Simplify right side
    267,560.82x = 27,243,322,828.85
  5. Step 5: Solve for x
    x = 27,243,322,828.85/267,560.82
  6. Step 6: Final answer
    x = 101,821.05

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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.