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Finding the Fourth Proportional to 202,651.17, 303,881.22 and 118,435.56

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Solution

The fourth proportional to 202,651.17, 303,881.22 and 118,435.56 is: 177,597.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,651.17 : 303,881.22 = 118,435.56 : x
  2. Step 2: Convert to fraction form
    202,651.17/303,881.22 = 118,435.56/x
  3. Step 3: Cross multiply
    202,651.17x = 303,881.22 × 118,435.56
  4. Step 4: Simplify right side
    202,651.17x = 35,990,342,464.18
  5. Step 5: Solve for x
    x = 35,990,342,464.18/202,651.17
  6. Step 6: Final answer
    x = 177,597.51

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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.