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Finding the Fourth Proportional to 202,096.93, 303,061.99 and 68,987.92

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Solution

The fourth proportional to 202,096.93, 303,061.99 and 68,987.92 is: 103,453.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,096.93 : 303,061.99 = 68,987.92 : x
  2. Step 2: Convert to fraction form
    202,096.93/303,061.99 = 68,987.92/x
  3. Step 3: Cross multiply
    202,096.93x = 303,061.99 × 68,987.92
  4. Step 4: Simplify right side
    202,096.93x = 20,907,616,321.16
  5. Step 5: Solve for x
    x = 20,907,616,321.16/202,096.93
  6. Step 6: Final answer
    x = 103,453.41

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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.