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Finding the Fourth Proportional to 227,480.78, 340,944.45 and 160,940.09

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Solution

The fourth proportional to 227,480.78, 340,944.45 and 160,940.09 is: 241,214.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,480.78 : 340,944.45 = 160,940.09 : x
  2. Step 2: Convert to fraction form
    227,480.78/340,944.45 = 160,940.09/x
  3. Step 3: Cross multiply
    227,480.78x = 340,944.45 × 160,940.09
  4. Step 4: Simplify right side
    227,480.78x = 54,871,630,468.00
  5. Step 5: Solve for x
    x = 54,871,630,468.00/227,480.78
  6. Step 6: Final answer
    x = 241,214.36

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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.