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Finding the Fourth Proportional to 227,238, 313,589.52 and 131,801.28

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Solution

The fourth proportional to 227,238, 313,589.52 and 131,801.28 is: 181,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,238 : 313,589.52 = 131,801.28 : x
  2. Step 2: Convert to fraction form
    227,238/313,589.52 = 131,801.28/x
  3. Step 3: Cross multiply
    227,238x = 313,589.52 × 131,801.28
  4. Step 4: Simplify right side
    227,238x = 41,331,500,130.59
  5. Step 5: Solve for x
    x = 41,331,500,130.59/227,238
  6. Step 6: Final answer
    x = 181,886.39

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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.