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Finding the Fourth Proportional to 267,517.78, 369,164.62 and 145,007.52

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Solution

The fourth proportional to 267,517.78, 369,164.62 and 145,007.52 is: 200,105.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,517.78 : 369,164.62 = 145,007.52 : x
  2. Step 2: Convert to fraction form
    267,517.78/369,164.62 = 145,007.52/x
  3. Step 3: Cross multiply
    267,517.78x = 369,164.62 × 145,007.52
  4. Step 4: Simplify right side
    267,517.78x = 53,531,646,017.94
  5. Step 5: Solve for x
    x = 53,531,646,017.94/267,517.78
  6. Step 6: Final answer
    x = 200,105.00

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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.