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Finding the Fourth Proportional to 110,817.92, 166,299.81 and 40,697.84

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Solution

The fourth proportional to 110,817.92, 166,299.81 and 40,697.84 is: 61,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,817.92 : 166,299.81 = 40,697.84 : x
  2. Step 2: Convert to fraction form
    110,817.92/166,299.81 = 40,697.84/x
  3. Step 3: Cross multiply
    110,817.92x = 166,299.81 × 40,697.84
  4. Step 4: Simplify right side
    110,817.92x = 6,768,043,059.41
  5. Step 5: Solve for x
    x = 6,768,043,059.41/110,817.92
  6. Step 6: Final answer
    x = 61,073.54

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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.