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Finding the Fourth Proportional to 167,422.87, 230,884.98 and 109,961.07

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Solution

The fourth proportional to 167,422.87, 230,884.98 and 109,961.07 is: 151,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,422.87 : 230,884.98 = 109,961.07 : x
  2. Step 2: Convert to fraction form
    167,422.87/230,884.98 = 109,961.07/x
  3. Step 3: Cross multiply
    167,422.87x = 230,884.98 × 109,961.07
  4. Step 4: Simplify right side
    167,422.87x = 25,388,359,447.73
  5. Step 5: Solve for x
    x = 25,388,359,447.73/167,422.87
  6. Step 6: Final answer
    x = 151,642.12

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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.