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Finding the Fourth Proportional to 227,323.44, 340,991.64 and 69,548.40

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Solution

The fourth proportional to 227,323.44, 340,991.64 and 69,548.40 is: 104,324.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,323.44 : 340,991.64 = 69,548.40 : x
  2. Step 2: Convert to fraction form
    227,323.44/340,991.64 = 69,548.40/x
  3. Step 3: Cross multiply
    227,323.44x = 340,991.64 × 69,548.40
  4. Step 4: Simplify right side
    227,323.44x = 23,715,422,975.38
  5. Step 5: Solve for x
    x = 23,715,422,975.38/227,323.44
  6. Step 6: Final answer
    x = 104,324.58

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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.