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Finding the Fourth Proportional to 164,273.56, 226,644.41 and 91,664.71

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Solution

The fourth proportional to 164,273.56, 226,644.41 and 91,664.71 is: 126,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,273.56 : 226,644.41 = 91,664.71 : x
  2. Step 2: Convert to fraction form
    164,273.56/226,644.41 = 91,664.71/x
  3. Step 3: Cross multiply
    164,273.56x = 226,644.41 × 91,664.71
  4. Step 4: Simplify right side
    164,273.56x = 20,775,293,778.32
  5. Step 5: Solve for x
    x = 20,775,293,778.32/164,273.56
  6. Step 6: Final answer
    x = 126,467.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.