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Finding the Fourth Proportional to 110,800.88, 166,152.12 and 31,896.66

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Solution

The fourth proportional to 110,800.88, 166,152.12 and 31,896.66 is: 47,830.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,800.88 : 166,152.12 = 31,896.66 : x
  2. Step 2: Convert to fraction form
    110,800.88/166,152.12 = 31,896.66/x
  3. Step 3: Cross multiply
    110,800.88x = 166,152.12 × 31,896.66
  4. Step 4: Simplify right side
    110,800.88x = 5,299,697,679.92
  5. Step 5: Solve for x
    x = 5,299,697,679.92/110,800.88
  6. Step 6: Final answer
    x = 47,830.83

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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.