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Finding the Fourth Proportional to 267,987.40, 401,835.30 and 110,231.80

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Solution

The fourth proportional to 267,987.40, 401,835.30 and 110,231.80 is: 165,287.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,987.40 : 401,835.30 = 110,231.80 : x
  2. Step 2: Convert to fraction form
    267,987.40/401,835.30 = 110,231.80/x
  3. Step 3: Cross multiply
    267,987.40x = 401,835.30 × 110,231.80
  4. Step 4: Simplify right side
    267,987.40x = 44,295,028,422.54
  5. Step 5: Solve for x
    x = 44,295,028,422.54/267,987.40
  6. Step 6: Final answer
    x = 165,287.73

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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.