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Finding the Fourth Proportional to 227,039.07, 340,611.87 and 69,267.48

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Solution

The fourth proportional to 227,039.07, 340,611.87 and 69,267.48 is: 103,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,039.07 : 340,611.87 = 69,267.48 : x
  2. Step 2: Convert to fraction form
    227,039.07/340,611.87 = 69,267.48/x
  3. Step 3: Cross multiply
    227,039.07x = 340,611.87 × 69,267.48
  4. Step 4: Simplify right side
    227,039.07x = 23,593,325,892.99
  5. Step 5: Solve for x
    x = 23,593,325,892.99/227,039.07
  6. Step 6: Final answer
    x = 103,917.47

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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.