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Finding the Fourth Proportional to 231,803.70, 348,033.60 and 181,940.10

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Solution

The fourth proportional to 231,803.70, 348,033.60 and 181,940.10 is: 273,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,803.70 : 348,033.60 = 181,940.10 : x
  2. Step 2: Convert to fraction form
    231,803.70/348,033.60 = 181,940.10/x
  3. Step 3: Cross multiply
    231,803.70x = 348,033.60 × 181,940.10
  4. Step 4: Simplify right side
    231,803.70x = 63,321,267,987.36
  5. Step 5: Solve for x
    x = 63,321,267,987.36/231,803.70
  6. Step 6: Final answer
    x = 273,167.63

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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.