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Finding the Fourth Proportional to 202,563.33, 303,298.25 and 135,859.83

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Solution

The fourth proportional to 202,563.33, 303,298.25 and 135,859.83 is: 203,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,563.33 : 303,298.25 = 135,859.83 : x
  2. Step 2: Convert to fraction form
    202,563.33/303,298.25 = 135,859.83/x
  3. Step 3: Cross multiply
    202,563.33x = 303,298.25 × 135,859.83
  4. Step 4: Simplify right side
    202,563.33x = 41,206,048,005.00
  5. Step 5: Solve for x
    x = 41,206,048,005.00/202,563.33
  6. Step 6: Final answer
    x = 203,423.04

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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.