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Finding the Fourth Proportional to 202,160.20, 303,240.30 and 52,399.30

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Solution

The fourth proportional to 202,160.20, 303,240.30 and 52,399.30 is: 78,598.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,160.20 : 303,240.30 = 52,399.30 : x
  2. Step 2: Convert to fraction form
    202,160.20/303,240.30 = 52,399.30/x
  3. Step 3: Cross multiply
    202,160.20x = 303,240.30 × 52,399.30
  4. Step 4: Simplify right side
    202,160.20x = 15,889,579,451.79
  5. Step 5: Solve for x
    x = 15,889,579,451.79/202,160.20
  6. Step 6: Final answer
    x = 78,598.95

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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.