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Finding the Fourth Proportional to 267,275.56, 368,700.46 and 165,268.41

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Solution

The fourth proportional to 267,275.56, 368,700.46 and 165,268.41 is: 227,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,275.56 : 368,700.46 = 165,268.41 : x
  2. Step 2: Convert to fraction form
    267,275.56/368,700.46 = 165,268.41/x
  3. Step 3: Cross multiply
    267,275.56x = 368,700.46 × 165,268.41
  4. Step 4: Simplify right side
    267,275.56x = 60,934,538,790.47
  5. Step 5: Solve for x
    x = 60,934,538,790.47/267,275.56
  6. Step 6: Final answer
    x = 227,983.95

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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.