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Finding the Fourth Proportional to 167,179.56, 230,707.08 and 91,726.44

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Solution

The fourth proportional to 167,179.56, 230,707.08 and 91,726.44 is: 126,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,179.56 : 230,707.08 = 91,726.44 : x
  2. Step 2: Convert to fraction form
    167,179.56/230,707.08 = 91,726.44/x
  3. Step 3: Cross multiply
    167,179.56x = 230,707.08 × 91,726.44
  4. Step 4: Simplify right side
    167,179.56x = 21,161,939,131.20
  5. Step 5: Solve for x
    x = 21,161,939,131.20/167,179.56
  6. Step 6: Final answer
    x = 126,582.10

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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.