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Finding the Fourth Proportional to 164,467.70, 226,965.41 and 89,016.20

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Solution

The fourth proportional to 164,467.70, 226,965.41 and 89,016.20 is: 122,842.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,467.70 : 226,965.41 = 89,016.20 : x
  2. Step 2: Convert to fraction form
    164,467.70/226,965.41 = 89,016.20/x
  3. Step 3: Cross multiply
    164,467.70x = 226,965.41 × 89,016.20
  4. Step 4: Simplify right side
    164,467.70x = 20,203,597,884.56
  5. Step 5: Solve for x
    x = 20,203,597,884.56/164,467.70
  6. Step 6: Final answer
    x = 122,842.34

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1.5x scale

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.