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Finding the Fourth Proportional to 167,213.44, 230,759.04 and 91,764.64

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Solution

The fourth proportional to 167,213.44, 230,759.04 and 91,764.64 is: 126,637.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,213.44 : 230,759.04 = 91,764.64 : x
  2. Step 2: Convert to fraction form
    167,213.44/230,759.04 = 91,764.64/x
  3. Step 3: Cross multiply
    167,213.44x = 230,759.04 × 91,764.64
  4. Step 4: Simplify right side
    167,213.44x = 21,175,520,232.35
  5. Step 5: Solve for x
    x = 21,175,520,232.35/167,213.44
  6. Step 6: Final answer
    x = 126,637.67

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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.