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Finding the Fourth Proportional to 168,573.72, 252,770.70 and 73,692.84

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Solution

The fourth proportional to 168,573.72, 252,770.70 and 73,692.84 is: 110,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,573.72 : 252,770.70 = 73,692.84 : x
  2. Step 2: Convert to fraction form
    168,573.72/252,770.70 = 73,692.84/x
  3. Step 3: Cross multiply
    168,573.72x = 252,770.70 × 73,692.84
  4. Step 4: Simplify right side
    168,573.72x = 18,627,390,751.79
  5. Step 5: Solve for x
    x = 18,627,390,751.79/168,573.72
  6. Step 6: Final answer
    x = 110,499.97

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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.