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Finding the Fourth Proportional to 231,452.58, 347,175.18 and 73,678.80

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Solution

The fourth proportional to 231,452.58, 347,175.18 and 73,678.80 is: 110,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,452.58 : 347,175.18 = 73,678.80 : x
  2. Step 2: Convert to fraction form
    231,452.58/347,175.18 = 73,678.80/x
  3. Step 3: Cross multiply
    231,452.58x = 347,175.18 × 73,678.80
  4. Step 4: Simplify right side
    231,452.58x = 25,579,450,652.18
  5. Step 5: Solve for x
    x = 25,579,450,652.18/231,452.58
  6. Step 6: Final answer
    x = 110,517.03

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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.