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Finding the Fourth Proportional to 202,012.43, 303,021.78 and 59,872.01

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Solution

The fourth proportional to 202,012.43, 303,021.78 and 59,872.01 is: 89,808.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,012.43 : 303,021.78 = 59,872.01 : x
  2. Step 2: Convert to fraction form
    202,012.43/303,021.78 = 59,872.01/x
  3. Step 3: Cross multiply
    202,012.43x = 303,021.78 × 59,872.01
  4. Step 4: Simplify right side
    202,012.43x = 18,142,523,799.93
  5. Step 5: Solve for x
    x = 18,142,523,799.93/202,012.43
  6. Step 6: Final answer
    x = 89,808.95

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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.