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Finding the Fourth Proportional to 167,172.53, 250,757.87 and 40,813.43

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Solution

The fourth proportional to 167,172.53, 250,757.87 and 40,813.43 is: 61,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,172.53 : 250,757.87 = 40,813.43 : x
  2. Step 2: Convert to fraction form
    167,172.53/250,757.87 = 40,813.43/x
  3. Step 3: Cross multiply
    167,172.53x = 250,757.87 × 40,813.43
  4. Step 4: Simplify right side
    167,172.53x = 10,234,287,316.34
  5. Step 5: Solve for x
    x = 10,234,287,316.34/167,172.53
  6. Step 6: Final answer
    x = 61,219.91

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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.