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Finding the Fourth Proportional to 323,069.21, 445,827.80 and 179,826.17

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Solution

The fourth proportional to 323,069.21, 445,827.80 and 179,826.17 is: 248,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,069.21 : 445,827.80 = 179,826.17 : x
  2. Step 2: Convert to fraction form
    323,069.21/445,827.80 = 179,826.17/x
  3. Step 3: Cross multiply
    323,069.21x = 445,827.80 × 179,826.17
  4. Step 4: Simplify right side
    323,069.21x = 80,171,505,753.53
  5. Step 5: Solve for x
    x = 80,171,505,753.53/323,069.21
  6. Step 6: Final answer
    x = 248,155.82

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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.