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Finding the Fourth Proportional to 267,091.44, 400,668.80 and 167,259.88

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Solution

The fourth proportional to 267,091.44, 400,668.80 and 167,259.88 is: 250,909.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,091.44 : 400,668.80 = 167,259.88 : x
  2. Step 2: Convert to fraction form
    267,091.44/400,668.80 = 167,259.88/x
  3. Step 3: Cross multiply
    267,091.44x = 400,668.80 × 167,259.88
  4. Step 4: Simplify right side
    267,091.44x = 67,015,815,072.28
  5. Step 5: Solve for x
    x = 67,015,815,072.28/267,091.44
  6. Step 6: Final answer
    x = 250,909.64

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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.