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Finding the Fourth Proportional to 227,198.37, 340,633.50 and 69,340.71

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Solution

The fourth proportional to 227,198.37, 340,633.50 and 69,340.71 is: 103,961.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,198.37 : 340,633.50 = 69,340.71 : x
  2. Step 2: Convert to fraction form
    227,198.37/340,633.50 = 69,340.71/x
  3. Step 3: Cross multiply
    227,198.37x = 340,633.50 × 69,340.71
  4. Step 4: Simplify right side
    227,198.37x = 23,619,768,739.79
  5. Step 5: Solve for x
    x = 23,619,768,739.79/227,198.37
  6. Step 6: Final answer
    x = 103,961.00

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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.