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Finding the Fourth Proportional to 167,840.67, 231,619.59 and 92,389.17

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Solution

The fourth proportional to 167,840.67, 231,619.59 and 92,389.17 is: 127,496.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,840.67 : 231,619.59 = 92,389.17 : x
  2. Step 2: Convert to fraction form
    167,840.67/231,619.59 = 92,389.17/x
  3. Step 3: Cross multiply
    167,840.67x = 231,619.59 × 92,389.17
  4. Step 4: Simplify right side
    167,840.67x = 21,399,141,675.84
  5. Step 5: Solve for x
    x = 21,399,141,675.84/167,840.67
  6. Step 6: Final answer
    x = 127,496.76

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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.