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Finding the Fourth Proportional to 267,892.56, 401,838.84 and 101,680.56

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Solution

The fourth proportional to 267,892.56, 401,838.84 and 101,680.56 is: 152,520.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,892.56 : 401,838.84 = 101,680.56 : x
  2. Step 2: Convert to fraction form
    267,892.56/401,838.84 = 101,680.56/x
  3. Step 3: Cross multiply
    267,892.56x = 401,838.84 × 101,680.56
  4. Step 4: Simplify right side
    267,892.56x = 40,859,198,280.95
  5. Step 5: Solve for x
    x = 40,859,198,280.95/267,892.56
  6. Step 6: Final answer
    x = 152,520.84

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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.