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Finding the Fourth Proportional to 167,384.43, 230,990.50 and 91,932.93

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Solution

The fourth proportional to 167,384.43, 230,990.50 and 91,932.93 is: 126,867.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,384.43 : 230,990.50 = 91,932.93 : x
  2. Step 2: Convert to fraction form
    167,384.43/230,990.50 = 91,932.93/x
  3. Step 3: Cross multiply
    167,384.43x = 230,990.50 × 91,932.93
  4. Step 4: Simplify right side
    167,384.43x = 21,235,633,467.17
  5. Step 5: Solve for x
    x = 21,235,633,467.17/167,384.43
  6. Step 6: Final answer
    x = 126,867.44

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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.