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Finding the Fourth Proportional to 167,461.50, 231,099.49 and 90,982.11

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Solution

The fourth proportional to 167,461.50, 231,099.49 and 90,982.11 is: 125,556.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,461.50 : 231,099.49 = 90,982.11 : x
  2. Step 2: Convert to fraction form
    167,461.50/231,099.49 = 90,982.11/x
  3. Step 3: Cross multiply
    167,461.50x = 231,099.49 × 90,982.11
  4. Step 4: Simplify right side
    167,461.50x = 21,025,919,220.12
  5. Step 5: Solve for x
    x = 21,025,919,220.12/167,461.50
  6. Step 6: Final answer
    x = 125,556.74

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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.