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Finding the Fourth Proportional to 163,021.56, 244,560.56 and 54,940.56

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Solution

The fourth proportional to 163,021.56, 244,560.56 and 54,940.56 is: 82,420.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,021.56 : 244,560.56 = 54,940.56 : x
  2. Step 2: Convert to fraction form
    163,021.56/244,560.56 = 54,940.56/x
  3. Step 3: Cross multiply
    163,021.56x = 244,560.56 × 54,940.56
  4. Step 4: Simplify right side
    163,021.56x = 13,436,293,845.61
  5. Step 5: Solve for x
    x = 13,436,293,845.61/163,021.56
  6. Step 6: Final answer
    x = 82,420.35

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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.