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Finding the Fourth Proportional to 227,354.50, 313,745.06 and 125,389.37

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Solution

The fourth proportional to 227,354.50, 313,745.06 and 125,389.37 is: 173,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,354.50 : 313,745.06 = 125,389.37 : x
  2. Step 2: Convert to fraction form
    227,354.50/313,745.06 = 125,389.37/x
  3. Step 3: Cross multiply
    227,354.50x = 313,745.06 × 125,389.37
  4. Step 4: Simplify right side
    227,354.50x = 39,340,294,787.07
  5. Step 5: Solve for x
    x = 39,340,294,787.07/227,354.50
  6. Step 6: Final answer
    x = 173,035.04

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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.