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Finding the Fourth Proportional to 227,442.49, 313,865.61 and 125,468.03

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Solution

The fourth proportional to 227,442.49, 313,865.61 and 125,468.03 is: 173,143.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,442.49 : 313,865.61 = 125,468.03 : x
  2. Step 2: Convert to fraction form
    227,442.49/313,865.61 = 125,468.03/x
  3. Step 3: Cross multiply
    227,442.49x = 313,865.61 × 125,468.03
  4. Step 4: Simplify right side
    227,442.49x = 39,380,099,771.45
  5. Step 5: Solve for x
    x = 39,380,099,771.45/227,442.49
  6. Step 6: Final answer
    x = 173,143.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.