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Finding the Fourth Proportional to 198,571.44, 274,031.37 and 107,927.37

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Solution

The fourth proportional to 198,571.44, 274,031.37 and 107,927.37 is: 148,941.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,571.44 : 274,031.37 = 107,927.37 : x
  2. Step 2: Convert to fraction form
    198,571.44/274,031.37 = 107,927.37/x
  3. Step 3: Cross multiply
    198,571.44x = 274,031.37 × 107,927.37
  4. Step 4: Simplify right side
    198,571.44x = 29,575,485,061.60
  5. Step 5: Solve for x
    x = 29,575,485,061.60/198,571.44
  6. Step 6: Final answer
    x = 148,941.28

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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.