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Finding the Fourth Proportional to 248,161.98, 372,061.53 and 79,586.37

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Solution

The fourth proportional to 248,161.98, 372,061.53 and 79,586.37 is: 119,321.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,161.98 : 372,061.53 = 79,586.37 : x
  2. Step 2: Convert to fraction form
    248,161.98/372,061.53 = 79,586.37/x
  3. Step 3: Cross multiply
    248,161.98x = 372,061.53 × 79,586.37
  4. Step 4: Simplify right side
    248,161.98x = 29,611,026,589.35
  5. Step 5: Solve for x
    x = 29,611,026,589.35/248,161.98
  6. Step 6: Final answer
    x = 119,321.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.