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Finding the Fourth Proportional to 267,919.50, 369,665.28 and 151,634.46

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Solution

The fourth proportional to 267,919.50, 369,665.28 and 151,634.46 is: 209,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,919.50 : 369,665.28 = 151,634.46 : x
  2. Step 2: Convert to fraction form
    267,919.50/369,665.28 = 151,634.46/x
  3. Step 3: Cross multiply
    267,919.50x = 369,665.28 × 151,634.46
  4. Step 4: Simplify right side
    267,919.50x = 56,053,995,113.55
  5. Step 5: Solve for x
    x = 56,053,995,113.55/267,919.50
  6. Step 6: Final answer
    x = 209,219.54

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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.