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Finding the Fourth Proportional to 168,692.98, 253,043.94 and 73,874.38

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Solution

The fourth proportional to 168,692.98, 253,043.94 and 73,874.38 is: 110,813.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,692.98 : 253,043.94 = 73,874.38 : x
  2. Step 2: Convert to fraction form
    168,692.98/253,043.94 = 73,874.38/x
  3. Step 3: Cross multiply
    168,692.98x = 253,043.94 × 73,874.38
  4. Step 4: Simplify right side
    168,692.98x = 18,693,464,180.26
  5. Step 5: Solve for x
    x = 18,693,464,180.26/168,692.98
  6. Step 6: Final answer
    x = 110,813.53

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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.