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Finding the Fourth Proportional to 267,175.78, 400,807.23 and 126,887.02

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Solution

The fourth proportional to 267,175.78, 400,807.23 and 126,887.02 is: 190,351.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,175.78 : 400,807.23 = 126,887.02 : x
  2. Step 2: Convert to fraction form
    267,175.78/400,807.23 = 126,887.02/x
  3. Step 3: Cross multiply
    267,175.78x = 400,807.23 × 126,887.02
  4. Step 4: Simplify right side
    267,175.78x = 50,857,235,009.15
  5. Step 5: Solve for x
    x = 50,857,235,009.15/267,175.78
  6. Step 6: Final answer
    x = 190,351.22

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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.