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Finding the Fourth Proportional to 167,392.32, 230,995.20 and 91,936.32

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Solution

The fourth proportional to 167,392.32, 230,995.20 and 91,936.32 is: 126,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,392.32 : 230,995.20 = 91,936.32 : x
  2. Step 2: Convert to fraction form
    167,392.32/230,995.20 = 91,936.32/x
  3. Step 3: Cross multiply
    167,392.32x = 230,995.20 × 91,936.32
  4. Step 4: Simplify right side
    167,392.32x = 21,236,848,625.66
  5. Step 5: Solve for x
    x = 21,236,848,625.66/167,392.32
  6. Step 6: Final answer
    x = 126,868.72

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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.