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Finding the Fourth Proportional to 202,380.70, 303,571.05 and 62,139.10

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Solution

The fourth proportional to 202,380.70, 303,571.05 and 62,139.10 is: 93,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,380.70 : 303,571.05 = 62,139.10 : x
  2. Step 2: Convert to fraction form
    202,380.70/303,571.05 = 62,139.10/x
  3. Step 3: Cross multiply
    202,380.70x = 303,571.05 × 62,139.10
  4. Step 4: Simplify right side
    202,380.70x = 18,863,631,833.06
  5. Step 5: Solve for x
    x = 18,863,631,833.06/202,380.70
  6. Step 6: Final answer
    x = 93,208.65

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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.