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Finding the Fourth Proportional to 227,339.89, 313,721.84 and 125,369.64

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Solution

The fourth proportional to 227,339.89, 313,721.84 and 125,369.64 is: 173,006.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,339.89 : 313,721.84 = 125,369.64 : x
  2. Step 2: Convert to fraction form
    227,339.89/313,721.84 = 125,369.64/x
  3. Step 3: Cross multiply
    227,339.89x = 313,721.84 × 125,369.64
  4. Step 4: Simplify right side
    227,339.89x = 39,331,194,454.36
  5. Step 5: Solve for x
    x = 39,331,194,454.36/227,339.89
  6. Step 6: Final answer
    x = 173,006.13

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