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Finding the Fourth Proportional to 202,361.70, 303,627.60 and 108,758.10

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Solution

The fourth proportional to 202,361.70, 303,627.60 and 108,758.10 is: 163,182.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,361.70 : 303,627.60 = 108,758.10 : x
  2. Step 2: Convert to fraction form
    202,361.70/303,627.60 = 108,758.10/x
  3. Step 3: Cross multiply
    202,361.70x = 303,627.60 × 108,758.10
  4. Step 4: Simplify right side
    202,361.70x = 33,021,960,883.56
  5. Step 5: Solve for x
    x = 33,021,960,883.56/202,361.70
  6. Step 6: Final answer
    x = 163,182.86

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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.