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Finding the Fourth Proportional to 227,287.77, 340,908.98 and 69,517.59

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Solution

The fourth proportional to 227,287.77, 340,908.98 and 69,517.59 is: 104,269.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,287.77 : 340,908.98 = 69,517.59 : x
  2. Step 2: Convert to fraction form
    227,287.77/340,908.98 = 69,517.59/x
  3. Step 3: Cross multiply
    227,287.77x = 340,908.98 × 69,517.59
  4. Step 4: Simplify right side
    227,287.77x = 23,699,170,351.37
  5. Step 5: Solve for x
    x = 23,699,170,351.37/227,287.77
  6. Step 6: Final answer
    x = 104,269.45

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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.