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Finding the Fourth Proportional to 295,872.36, 408,303.30 and 161,736.36

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Solution

The fourth proportional to 295,872.36, 408,303.30 and 161,736.36 is: 223,195.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,872.36 : 408,303.30 = 161,736.36 : x
  2. Step 2: Convert to fraction form
    295,872.36/408,303.30 = 161,736.36/x
  3. Step 3: Cross multiply
    295,872.36x = 408,303.30 × 161,736.36
  4. Step 4: Simplify right side
    295,872.36x = 66,037,489,517.99
  5. Step 5: Solve for x
    x = 66,037,489,517.99/295,872.36
  6. Step 6: Final answer
    x = 223,195.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.