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Finding the Fourth Proportional to 303,950.66, 419,453.31 and 166,132.43

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Solution

The fourth proportional to 303,950.66, 419,453.31 and 166,132.43 is: 229,263.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,950.66 : 419,453.31 = 166,132.43 : x
  2. Step 2: Convert to fraction form
    303,950.66/419,453.31 = 166,132.43/x
  3. Step 3: Cross multiply
    303,950.66x = 419,453.31 × 166,132.43
  4. Step 4: Simplify right side
    303,950.66x = 69,684,795,564.58
  5. Step 5: Solve for x
    x = 69,684,795,564.58/303,950.66
  6. Step 6: Final answer
    x = 229,263.52

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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.