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Finding the Fourth Proportional to 167,919, 231,728.22 and 92,467.50

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Solution

The fourth proportional to 167,919, 231,728.22 and 92,467.50 is: 127,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,919 : 231,728.22 = 92,467.50 : x
  2. Step 2: Convert to fraction form
    167,919/231,728.22 = 92,467.50/x
  3. Step 3: Cross multiply
    167,919x = 231,728.22 × 92,467.50
  4. Step 4: Simplify right side
    167,919x = 21,427,329,182.85
  5. Step 5: Solve for x
    x = 21,427,329,182.85/167,919
  6. Step 6: Final answer
    x = 127,605.15

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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.