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Finding the Fourth Proportional to 110,859.87, 166,145.18 and 50,866.68

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Solution

The fourth proportional to 110,859.87, 166,145.18 and 50,866.68 is: 76,233.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,859.87 : 166,145.18 = 50,866.68 : x
  2. Step 2: Convert to fraction form
    110,859.87/166,145.18 = 50,866.68/x
  3. Step 3: Cross multiply
    110,859.87x = 166,145.18 × 50,866.68
  4. Step 4: Simplify right side
    110,859.87x = 8,451,254,073.31
  5. Step 5: Solve for x
    x = 8,451,254,073.31/110,859.87
  6. Step 6: Final answer
    x = 76,233.67

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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.