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Finding the Fourth Proportional to 101,940.39, 140,667.43 and 59,523.52

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Solution

The fourth proportional to 101,940.39, 140,667.43 and 59,523.52 is: 82,136.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,940.39 : 140,667.43 = 59,523.52 : x
  2. Step 2: Convert to fraction form
    101,940.39/140,667.43 = 59,523.52/x
  3. Step 3: Cross multiply
    101,940.39x = 140,667.43 × 59,523.52
  4. Step 4: Simplify right side
    101,940.39x = 8,373,020,582.95
  5. Step 5: Solve for x
    x = 8,373,020,582.95/101,940.39
  6. Step 6: Final answer
    x = 82,136.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.