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Finding the Fourth Proportional to 227,131.04, 340,696.56 and 69,351.04

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Solution

The fourth proportional to 227,131.04, 340,696.56 and 69,351.04 is: 104,026.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,131.04 : 340,696.56 = 69,351.04 : x
  2. Step 2: Convert to fraction form
    227,131.04/340,696.56 = 69,351.04/x
  3. Step 3: Cross multiply
    227,131.04x = 340,696.56 × 69,351.04
  4. Step 4: Simplify right side
    227,131.04x = 23,627,660,760.42
  5. Step 5: Solve for x
    x = 23,627,660,760.42/227,131.04
  6. Step 6: Final answer
    x = 104,026.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.