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Finding the Fourth Proportional to 101,188.86, 151,778.78 and 34,634.94

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Solution

The fourth proportional to 101,188.86, 151,778.78 and 34,634.94 is: 51,950.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,188.86 : 151,778.78 = 34,634.94 : x
  2. Step 2: Convert to fraction form
    101,188.86/151,778.78 = 34,634.94/x
  3. Step 3: Cross multiply
    101,188.86x = 151,778.78 × 34,634.94
  4. Step 4: Simplify right side
    101,188.86x = 5,256,848,938.57
  5. Step 5: Solve for x
    x = 5,256,848,938.57/101,188.86
  6. Step 6: Final answer
    x = 51,950.87

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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.