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Finding the Fourth Proportional to 166,676.48, 230,016.75 and 91,224.98

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Solution

The fourth proportional to 166,676.48, 230,016.75 and 91,224.98 is: 125,892.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,676.48 : 230,016.75 = 91,224.98 : x
  2. Step 2: Convert to fraction form
    166,676.48/230,016.75 = 91,224.98/x
  3. Step 3: Cross multiply
    166,676.48x = 230,016.75 × 91,224.98
  4. Step 4: Simplify right side
    166,676.48x = 20,983,273,418.42
  5. Step 5: Solve for x
    x = 20,983,273,418.42/166,676.48
  6. Step 6: Final answer
    x = 125,892.23

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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.