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Finding the Fourth Proportional to 267,137.09, 400,069.57 and 154,580.10

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Solution

The fourth proportional to 267,137.09, 400,069.57 and 154,580.10 is: 231,502.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,137.09 : 400,069.57 = 154,580.10 : x
  2. Step 2: Convert to fraction form
    267,137.09/400,069.57 = 154,580.10/x
  3. Step 3: Cross multiply
    267,137.09x = 400,069.57 × 154,580.10
  4. Step 4: Simplify right side
    267,137.09x = 61,842,794,137.56
  5. Step 5: Solve for x
    x = 61,842,794,137.56/267,137.09
  6. Step 6: Final answer
    x = 231,502.09

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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.