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Finding the Fourth Proportional to 267,949.50, 369,760.74 and 151,660.47

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Solution

The fourth proportional to 267,949.50, 369,760.74 and 151,660.47 is: 209,286.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,949.50 : 369,760.74 = 151,660.47 : x
  2. Step 2: Convert to fraction form
    267,949.50/369,760.74 = 151,660.47/x
  3. Step 3: Cross multiply
    267,949.50x = 369,760.74 × 151,660.47
  4. Step 4: Simplify right side
    267,949.50x = 56,078,087,615.95
  5. Step 5: Solve for x
    x = 56,078,087,615.95/267,949.50
  6. Step 6: Final answer
    x = 209,286.03

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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.