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Finding the Fourth Proportional to 227,334.98, 313,721.62 and 131,897.54

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Solution

The fourth proportional to 227,334.98, 313,721.62 and 131,897.54 is: 182,018.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,334.98 : 313,721.62 = 131,897.54 : x
  2. Step 2: Convert to fraction form
    227,334.98/313,721.62 = 131,897.54/x
  3. Step 3: Cross multiply
    227,334.98x = 313,721.62 × 131,897.54
  4. Step 4: Simplify right side
    227,334.98x = 41,379,108,024.46
  5. Step 5: Solve for x
    x = 41,379,108,024.46/227,334.98
  6. Step 6: Final answer
    x = 182,018.22

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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.