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Finding the Fourth Proportional to 267,451.44, 400,906.95 and 167,681.64

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Solution

The fourth proportional to 267,451.44, 400,906.95 and 167,681.64 is: 251,353.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,451.44 : 400,906.95 = 167,681.64 : x
  2. Step 2: Convert to fraction form
    267,451.44/400,906.95 = 167,681.64/x
  3. Step 3: Cross multiply
    267,451.44x = 400,906.95 × 167,681.64
  4. Step 4: Simplify right side
    267,451.44x = 67,224,734,863.40
  5. Step 5: Solve for x
    x = 67,224,734,863.40/267,451.44
  6. Step 6: Final answer
    x = 251,353.05

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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.