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Finding the Fourth Proportional to 267,788.46, 401,680.95 and 68,107.11

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Solution

The fourth proportional to 267,788.46, 401,680.95 and 68,107.11 is: 102,160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,788.46 : 401,680.95 = 68,107.11 : x
  2. Step 2: Convert to fraction form
    267,788.46/401,680.95 = 68,107.11/x
  3. Step 3: Cross multiply
    267,788.46x = 401,680.95 × 68,107.11
  4. Step 4: Simplify right side
    267,788.46x = 27,357,328,646.55
  5. Step 5: Solve for x
    x = 27,357,328,646.55/267,788.46
  6. Step 6: Final answer
    x = 102,160.22

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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.