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Finding the Fourth Proportional to 166,901.66, 230,324.44 and 91,450.16

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Solution

The fourth proportional to 166,901.66, 230,324.44 and 91,450.16 is: 126,201.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,901.66 : 230,324.44 = 91,450.16 : x
  2. Step 2: Convert to fraction form
    166,901.66/230,324.44 = 91,450.16/x
  3. Step 3: Cross multiply
    166,901.66x = 230,324.44 × 91,450.16
  4. Step 4: Simplify right side
    166,901.66x = 21,063,206,889.91
  5. Step 5: Solve for x
    x = 21,063,206,889.91/166,901.66
  6. Step 6: Final answer
    x = 126,201.30

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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.