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Finding the Fourth Proportional to 110,855.70, 166,164.52 and 57,494.27

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Solution

The fourth proportional to 110,855.70, 166,164.52 and 57,494.27 is: 86,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,855.70 : 166,164.52 = 57,494.27 : x
  2. Step 2: Convert to fraction form
    110,855.70/166,164.52 = 57,494.27/x
  3. Step 3: Cross multiply
    110,855.70x = 166,164.52 × 57,494.27
  4. Step 4: Simplify right side
    110,855.70x = 9,553,507,777.30
  5. Step 5: Solve for x
    x = 9,553,507,777.30/110,855.70
  6. Step 6: Final answer
    x = 86,179.67

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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.