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Finding the Fourth Proportional to 202,193.79, 303,344.42 and 69,073.80

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Solution

The fourth proportional to 202,193.79, 303,344.42 and 69,073.80 is: 103,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,193.79 : 303,344.42 = 69,073.80 : x
  2. Step 2: Convert to fraction form
    202,193.79/303,344.42 = 69,073.80/x
  3. Step 3: Cross multiply
    202,193.79x = 303,344.42 × 69,073.80
  4. Step 4: Simplify right side
    202,193.79x = 20,953,151,452.83
  5. Step 5: Solve for x
    x = 20,953,151,452.83/202,193.79
  6. Step 6: Final answer
    x = 103,629.06

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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.