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Finding the Fourth Proportional to 267,173.28, 400,803.48 and 126,884.52

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Solution

The fourth proportional to 267,173.28, 400,803.48 and 126,884.52 is: 190,347.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,173.28 : 400,803.48 = 126,884.52 : x
  2. Step 2: Convert to fraction form
    267,173.28/400,803.48 = 126,884.52/x
  3. Step 3: Cross multiply
    267,173.28x = 400,803.48 × 126,884.52
  4. Step 4: Simplify right side
    267,173.28x = 50,855,757,174.13
  5. Step 5: Solve for x
    x = 50,855,757,174.13/267,173.28
  6. Step 6: Final answer
    x = 190,347.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.