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Finding the Fourth Proportional to 202,307.70, 303,546.60 and 108,704.10

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Solution

The fourth proportional to 202,307.70, 303,546.60 and 108,704.10 is: 163,101.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,307.70 : 303,546.60 = 108,704.10 : x
  2. Step 2: Convert to fraction form
    202,307.70/303,546.60 = 108,704.10/x
  3. Step 3: Cross multiply
    202,307.70x = 303,546.60 × 108,704.10
  4. Step 4: Simplify right side
    202,307.70x = 32,996,759,961.06
  5. Step 5: Solve for x
    x = 32,996,759,961.06/202,307.70
  6. Step 6: Final answer
    x = 163,101.85

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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.