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Finding the Fourth Proportional to 323,151.66, 445,896.90 and 179,908.02

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Solution

The fourth proportional to 323,151.66, 445,896.90 and 179,908.02 is: 248,243.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,151.66 : 445,896.90 = 179,908.02 : x
  2. Step 2: Convert to fraction form
    323,151.66/445,896.90 = 179,908.02/x
  3. Step 3: Cross multiply
    323,151.66x = 445,896.90 × 179,908.02
  4. Step 4: Simplify right side
    323,151.66x = 80,220,428,403.14
  5. Step 5: Solve for x
    x = 80,220,428,403.14/323,151.66
  6. Step 6: Final answer
    x = 248,243.90

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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.