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Finding the Fourth Proportional to 167,367.26, 230,968.46 and 91,915.76

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Solution

The fourth proportional to 167,367.26, 230,968.46 and 91,915.76 is: 126,844.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,367.26 : 230,968.46 = 91,915.76 : x
  2. Step 2: Convert to fraction form
    167,367.26/230,968.46 = 91,915.76/x
  3. Step 3: Cross multiply
    167,367.26x = 230,968.46 × 91,915.76
  4. Step 4: Simplify right side
    167,367.26x = 21,229,641,536.93
  5. Step 5: Solve for x
    x = 21,229,641,536.93/167,367.26
  6. Step 6: Final answer
    x = 126,844.65

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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.