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Finding the Fourth Proportional to 71,067.43, 106,579.77 and 58,556.44

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Solution

The fourth proportional to 71,067.43, 106,579.77 and 58,556.44 is: 87,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,067.43 : 106,579.77 = 58,556.44 : x
  2. Step 2: Convert to fraction form
    71,067.43/106,579.77 = 58,556.44/x
  3. Step 3: Cross multiply
    71,067.43x = 106,579.77 × 58,556.44
  4. Step 4: Simplify right side
    71,067.43x = 6,240,931,907.22
  5. Step 5: Solve for x
    x = 6,240,931,907.22/71,067.43
  6. Step 6: Final answer
    x = 87,817.05

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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.