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Finding the Fourth Proportional to 167,012.51, 230,491.77 and 91,575.59

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Solution

The fourth proportional to 167,012.51, 230,491.77 and 91,575.59 is: 126,382.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,012.51 : 230,491.77 = 91,575.59 : x
  2. Step 2: Convert to fraction form
    167,012.51/230,491.77 = 91,575.59/x
  3. Step 3: Cross multiply
    167,012.51x = 230,491.77 × 91,575.59
  4. Step 4: Simplify right side
    167,012.51x = 21,107,419,827.89
  5. Step 5: Solve for x
    x = 21,107,419,827.89/167,012.51
  6. Step 6: Final answer
    x = 126,382.27

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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.