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Finding the Fourth Proportional to 202,311.70, 303,552.60 and 108,708.10

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Solution

The fourth proportional to 202,311.70, 303,552.60 and 108,708.10 is: 163,107.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,311.70 : 303,552.60 = 108,708.10 : x
  2. Step 2: Convert to fraction form
    202,311.70/303,552.60 = 108,708.10/x
  3. Step 3: Cross multiply
    202,311.70x = 303,552.60 × 108,708.10
  4. Step 4: Simplify right side
    202,311.70x = 32,998,626,396.06
  5. Step 5: Solve for x
    x = 32,998,626,396.06/202,311.70
  6. Step 6: Final answer
    x = 163,107.85

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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.