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Finding the Fourth Proportional to 267,573.43, 401,321.22 and 77,982.90

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Solution

The fourth proportional to 267,573.43, 401,321.22 and 77,982.90 is: 116,963.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,573.43 : 401,321.22 = 77,982.90 : x
  2. Step 2: Convert to fraction form
    267,573.43/401,321.22 = 77,982.90/x
  3. Step 3: Cross multiply
    267,573.43x = 401,321.22 × 77,982.90
  4. Step 4: Simplify right side
    267,573.43x = 31,296,192,859.57
  5. Step 5: Solve for x
    x = 31,296,192,859.57/267,573.43
  6. Step 6: Final answer
    x = 116,963.01

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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.