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Finding the Fourth Proportional to 166,676.66, 230,012.03 and 90,194.07

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Solution

The fourth proportional to 166,676.66, 230,012.03 and 90,194.07 is: 124,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,676.66 : 230,012.03 = 90,194.07 : x
  2. Step 2: Convert to fraction form
    166,676.66/230,012.03 = 90,194.07/x
  3. Step 3: Cross multiply
    166,676.66x = 230,012.03 × 90,194.07
  4. Step 4: Simplify right side
    166,676.66x = 20,745,720,683.69
  5. Step 5: Solve for x
    x = 20,745,720,683.69/166,676.66
  6. Step 6: Final answer
    x = 124,466.86

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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.