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Finding the Fourth Proportional to 267,851.80, 401,792.28 and 80,858.44

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Solution

The fourth proportional to 267,851.80, 401,792.28 and 80,858.44 is: 121,292.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,851.80 : 401,792.28 = 80,858.44 : x
  2. Step 2: Convert to fraction form
    267,851.80/401,792.28 = 80,858.44/x
  3. Step 3: Cross multiply
    267,851.80x = 401,792.28 × 80,858.44
  4. Step 4: Simplify right side
    267,851.80x = 32,488,296,964.84
  5. Step 5: Solve for x
    x = 32,488,296,964.84/267,851.80
  6. Step 6: Final answer
    x = 121,292.06

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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.