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Finding the Fourth Proportional to 267,519.79, 401,163.02 and 101,191.15

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Solution

The fourth proportional to 267,519.79, 401,163.02 and 101,191.15 is: 151,742.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,519.79 : 401,163.02 = 101,191.15 : x
  2. Step 2: Convert to fraction form
    267,519.79/401,163.02 = 101,191.15/x
  3. Step 3: Cross multiply
    267,519.79x = 401,163.02 × 101,191.15
  4. Step 4: Simplify right side
    267,519.79x = 40,594,144,819.50
  5. Step 5: Solve for x
    x = 40,594,144,819.50/267,519.79
  6. Step 6: Final answer
    x = 151,742.59

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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.