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Finding the Fourth Proportional to 399,851.44, 599,871.93 and 119,375.98

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Solution

The fourth proportional to 399,851.44, 599,871.93 and 119,375.98 is: 179,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,851.44 : 599,871.93 = 119,375.98 : x
  2. Step 2: Convert to fraction form
    399,851.44/599,871.93 = 119,375.98/x
  3. Step 3: Cross multiply
    399,851.44x = 599,871.93 × 119,375.98
  4. Step 4: Simplify right side
    399,851.44x = 71,610,297,570.90
  5. Step 5: Solve for x
    x = 71,610,297,570.90/399,851.44
  6. Step 6: Final answer
    x = 179,092.26

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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.