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Finding the Fourth Proportional to 323,896.62, 485,830.89 and 110,683.56

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Solution

The fourth proportional to 323,896.62, 485,830.89 and 110,683.56 is: 166,020.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,896.62 : 485,830.89 = 110,683.56 : x
  2. Step 2: Convert to fraction form
    323,896.62/485,830.89 = 110,683.56/x
  3. Step 3: Cross multiply
    323,896.62x = 485,830.89 × 110,683.56
  4. Step 4: Simplify right side
    323,896.62x = 53,773,492,463.17
  5. Step 5: Solve for x
    x = 53,773,492,463.17/323,896.62
  6. Step 6: Final answer
    x = 166,020.54

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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.