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Finding the Fourth Proportional to 167,530.50, 231,192.09 and 92,079

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Solution

The fourth proportional to 167,530.50, 231,192.09 and 92,079 is: 127,069.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,530.50 : 231,192.09 = 92,079 : x
  2. Step 2: Convert to fraction form
    167,530.50/231,192.09 = 92,079/x
  3. Step 3: Cross multiply
    167,530.50x = 231,192.09 × 92,079
  4. Step 4: Simplify right side
    167,530.50x = 21,287,936,455.11
  5. Step 5: Solve for x
    x = 21,287,936,455.11/167,530.50
  6. Step 6: Final answer
    x = 127,069.02

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.