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Finding the Fourth Proportional to 267,847.33, 401,759.47 and 80,853.25

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Solution

The fourth proportional to 267,847.33, 401,759.47 and 80,853.25 is: 121,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,847.33 : 401,759.47 = 80,853.25 : x
  2. Step 2: Convert to fraction form
    267,847.33/401,759.47 = 80,853.25/x
  3. Step 3: Cross multiply
    267,847.33x = 401,759.47 × 80,853.25
  4. Step 4: Simplify right side
    267,847.33x = 32,483,558,867.78
  5. Step 5: Solve for x
    x = 32,483,558,867.78/267,847.33
  6. Step 6: Final answer
    x = 121,276.40

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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.