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Finding the Fourth Proportional to 227,339.63, 313,721.46 and 125,369.38

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Solution

The fourth proportional to 227,339.63, 313,721.46 and 125,369.38 is: 173,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,339.63 : 313,721.46 = 125,369.38 : x
  2. Step 2: Convert to fraction form
    227,339.63/313,721.46 = 125,369.38/x
  3. Step 3: Cross multiply
    227,339.63x = 313,721.46 × 125,369.38
  4. Step 4: Simplify right side
    227,339.63x = 39,331,065,325.05
  5. Step 5: Solve for x
    x = 39,331,065,325.05/227,339.63
  6. Step 6: Final answer
    x = 173,005.76

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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.