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Finding the Fourth Proportional to 168,599.88, 253,024.58 and 79,853.60

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Solution

The fourth proportional to 168,599.88, 253,024.58 and 79,853.60 is: 119,839.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,599.88 : 253,024.58 = 79,853.60 : x
  2. Step 2: Convert to fraction form
    168,599.88/253,024.58 = 79,853.60/x
  3. Step 3: Cross multiply
    168,599.88x = 253,024.58 × 79,853.60
  4. Step 4: Simplify right side
    168,599.88x = 20,204,923,601.49
  5. Step 5: Solve for x
    x = 20,204,923,601.49/168,599.88
  6. Step 6: Final answer
    x = 119,839.49

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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.