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Finding the Fourth Proportional to 267,677.26, 401,518.08 and 87,760.06

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Solution

The fourth proportional to 267,677.26, 401,518.08 and 87,760.06 is: 131,640.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,677.26 : 401,518.08 = 87,760.06 : x
  2. Step 2: Convert to fraction form
    267,677.26/401,518.08 = 87,760.06/x
  3. Step 3: Cross multiply
    267,677.26x = 401,518.08 × 87,760.06
  4. Step 4: Simplify right side
    267,677.26x = 35,237,250,791.88
  5. Step 5: Solve for x
    x = 35,237,250,791.88/267,677.26
  6. Step 6: Final answer
    x = 131,640.81

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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.