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Finding the Fourth Proportional to 167,530, 231,191.76 and 92,079.04

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Solution

The fourth proportional to 167,530, 231,191.76 and 92,079.04 is: 127,069.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,530 : 231,191.76 = 92,079.04 : x
  2. Step 2: Convert to fraction form
    167,530/231,191.76 = 92,079.04/x
  3. Step 3: Cross multiply
    167,530x = 231,191.76 × 92,079.04
  4. Step 4: Simplify right side
    167,530x = 21,287,915,316.71
  5. Step 5: Solve for x
    x = 21,287,915,316.71/167,530
  6. Step 6: Final answer
    x = 127,069.27

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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.