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Finding the Fourth Proportional to 92,047.36, 127,059.26 and 80,836.26

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Solution

The fourth proportional to 92,047.36, 127,059.26 and 80,836.26 is: 111,583.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,047.36 : 127,059.26 = 80,836.26 : x
  2. Step 2: Convert to fraction form
    92,047.36/127,059.26 = 80,836.26/x
  3. Step 3: Cross multiply
    92,047.36x = 127,059.26 × 80,836.26
  4. Step 4: Simplify right side
    92,047.36x = 10,270,995,376.77
  5. Step 5: Solve for x
    x = 10,270,995,376.77/92,047.36
  6. Step 6: Final answer
    x = 111,583.81

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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.