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Finding the Fourth Proportional to 267,997.73, 369,820.29 and 147,138.34

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Solution

The fourth proportional to 267,997.73, 369,820.29 and 147,138.34 is: 203,041.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,997.73 : 369,820.29 = 147,138.34 : x
  2. Step 2: Convert to fraction form
    267,997.73/369,820.29 = 147,138.34/x
  3. Step 3: Cross multiply
    267,997.73x = 369,820.29 × 147,138.34
  4. Step 4: Simplify right side
    267,997.73x = 54,414,741,719.82
  5. Step 5: Solve for x
    x = 54,414,741,719.82/267,997.73
  6. Step 6: Final answer
    x = 203,041.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.