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Finding the Fourth Proportional to 267,321.15, 368,868.20 and 159,851.97

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Solution

The fourth proportional to 267,321.15, 368,868.20 and 159,851.97 is: 220,574.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,321.15 : 368,868.20 = 159,851.97 : x
  2. Step 2: Convert to fraction form
    267,321.15/368,868.20 = 159,851.97/x
  3. Step 3: Cross multiply
    267,321.15x = 368,868.20 × 159,851.97
  4. Step 4: Simplify right side
    267,321.15x = 58,964,307,641.09
  5. Step 5: Solve for x
    x = 58,964,307,641.09/267,321.15
  6. Step 6: Final answer
    x = 220,574.79

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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.