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Finding the Fourth Proportional to 167,080.52, 230,571.42 and 91,629.56

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Solution

The fourth proportional to 167,080.52, 230,571.42 and 91,629.56 is: 126,448.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,080.52 : 230,571.42 = 91,629.56 : x
  2. Step 2: Convert to fraction form
    167,080.52/230,571.42 = 91,629.56/x
  3. Step 3: Cross multiply
    167,080.52x = 230,571.42 × 91,629.56
  4. Step 4: Simplify right side
    167,080.52x = 21,127,157,763.18
  5. Step 5: Solve for x
    x = 21,127,157,763.18/167,080.52
  6. Step 6: Final answer
    x = 126,448.96

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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.