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Finding the Fourth Proportional to 101,325.62, 151,991.50 and 34,764.78

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Solution

The fourth proportional to 101,325.62, 151,991.50 and 34,764.78 is: 52,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,325.62 : 151,991.50 = 34,764.78 : x
  2. Step 2: Convert to fraction form
    101,325.62/151,991.50 = 34,764.78/x
  3. Step 3: Cross multiply
    101,325.62x = 151,991.50 × 34,764.78
  4. Step 4: Simplify right side
    101,325.62x = 5,283,951,059.37
  5. Step 5: Solve for x
    x = 5,283,951,059.37/101,325.62
  6. Step 6: Final answer
    x = 52,148.22

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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.