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Finding the Fourth Proportional to 202,449.80, 303,674.70 and 136,094.60

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Solution

The fourth proportional to 202,449.80, 303,674.70 and 136,094.60 is: 204,141.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,449.80 : 303,674.70 = 136,094.60 : x
  2. Step 2: Convert to fraction form
    202,449.80/303,674.70 = 136,094.60/x
  3. Step 3: Cross multiply
    202,449.80x = 303,674.70 × 136,094.60
  4. Step 4: Simplify right side
    202,449.80x = 41,328,486,826.62
  5. Step 5: Solve for x
    x = 41,328,486,826.62/202,449.80
  6. Step 6: Final answer
    x = 204,141.90

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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.