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Finding the Fourth Proportional to 267,093.44, 400,660.91 and 77,556.94

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Solution

The fourth proportional to 267,093.44, 400,660.91 and 77,556.94 is: 116,341.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,093.44 : 400,660.91 = 77,556.94 : x
  2. Step 2: Convert to fraction form
    267,093.44/400,660.91 = 77,556.94/x
  3. Step 3: Cross multiply
    267,093.44x = 400,660.91 × 77,556.94
  4. Step 4: Simplify right side
    267,093.44x = 31,074,033,494.87
  5. Step 5: Solve for x
    x = 31,074,033,494.87/267,093.44
  6. Step 6: Final answer
    x = 116,341.43

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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.