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Finding the Fourth Proportional to 267,201.45, 400,807.17 and 124,968.06

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Solution

The fourth proportional to 267,201.45, 400,807.17 and 124,968.06 is: 187,454.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,201.45 : 400,807.17 = 124,968.06 : x
  2. Step 2: Convert to fraction form
    267,201.45/400,807.17 = 124,968.06/x
  3. Step 3: Cross multiply
    267,201.45x = 400,807.17 × 124,968.06
  4. Step 4: Simplify right side
    267,201.45x = 50,088,094,468.99
  5. Step 5: Solve for x
    x = 50,088,094,468.99/267,201.45
  6. Step 6: Final answer
    x = 187,454.43

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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.