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Finding the Fourth Proportional to 167,469.66, 231,110.74 and 90,990.26

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Solution

The fourth proportional to 167,469.66, 231,110.74 and 90,990.26 is: 125,567.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,469.66 : 231,110.74 = 90,990.26 : x
  2. Step 2: Convert to fraction form
    167,469.66/231,110.74 = 90,990.26/x
  3. Step 3: Cross multiply
    167,469.66x = 231,110.74 × 90,990.26
  4. Step 4: Simplify right side
    167,469.66x = 21,028,826,321.39
  5. Step 5: Solve for x
    x = 21,028,826,321.39/167,469.66
  6. Step 6: Final answer
    x = 125,567.98

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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.