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Finding the Fourth Proportional to 227,339.83, 313,721.77 and 125,369.59

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Solution

The fourth proportional to 227,339.83, 313,721.77 and 125,369.59 is: 173,006.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,339.83 : 313,721.77 = 125,369.59 : x
  2. Step 2: Convert to fraction form
    227,339.83/313,721.77 = 125,369.59/x
  3. Step 3: Cross multiply
    227,339.83x = 313,721.77 × 125,369.59
  4. Step 4: Simplify right side
    227,339.83x = 39,331,169,678.97
  5. Step 5: Solve for x
    x = 39,331,169,678.97/227,339.83
  6. Step 6: Final answer
    x = 173,006.07

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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.