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Finding the Fourth Proportional to 251,862.83, 377,791.94 and 102,067.50

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Solution

The fourth proportional to 251,862.83, 377,791.94 and 102,067.50 is: 153,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,862.83 : 377,791.94 = 102,067.50 : x
  2. Step 2: Convert to fraction form
    251,862.83/377,791.94 = 102,067.50/x
  3. Step 3: Cross multiply
    251,862.83x = 377,791.94 × 102,067.50
  4. Step 4: Simplify right side
    251,862.83x = 38,560,279,091.12
  5. Step 5: Solve for x
    x = 38,560,279,091.12/251,862.83
  6. Step 6: Final answer
    x = 153,100.32

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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.