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Finding the Fourth Proportional to 267,996.42, 369,839.66 and 147,142.80

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Solution

The fourth proportional to 267,996.42, 369,839.66 and 147,142.80 is: 203,059.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,996.42 : 369,839.66 = 147,142.80 : x
  2. Step 2: Convert to fraction form
    267,996.42/369,839.66 = 147,142.80/x
  3. Step 3: Cross multiply
    267,996.42x = 369,839.66 × 147,142.80
  4. Step 4: Simplify right side
    267,996.42x = 54,419,242,387.73
  5. Step 5: Solve for x
    x = 54,419,242,387.73/267,996.42
  6. Step 6: Final answer
    x = 203,059.59

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1.5x scale

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.