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Finding the Fourth Proportional to 323,146.22, 484,063.23 and 163,123.43

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Solution

The fourth proportional to 323,146.22, 484,063.23 and 163,123.43 is: 244,353.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,146.22 : 484,063.23 = 163,123.43 : x
  2. Step 2: Convert to fraction form
    323,146.22/484,063.23 = 163,123.43/x
  3. Step 3: Cross multiply
    323,146.22x = 484,063.23 × 163,123.43
  4. Step 4: Simplify right side
    323,146.22x = 78,962,054,414.48
  5. Step 5: Solve for x
    x = 78,962,054,414.48/323,146.22
  6. Step 6: Final answer
    x = 244,353.95

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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.