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Finding the Fourth Proportional to 194,906.96, 268,974.24 and 105,482.96

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Solution

The fourth proportional to 194,906.96, 268,974.24 and 105,482.96 is: 145,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,906.96 : 268,974.24 = 105,482.96 : x
  2. Step 2: Convert to fraction form
    194,906.96/268,974.24 = 105,482.96/x
  3. Step 3: Cross multiply
    194,906.96x = 268,974.24 × 105,482.96
  4. Step 4: Simplify right side
    194,906.96x = 28,372,198,998.95
  5. Step 5: Solve for x
    x = 28,372,198,998.95/194,906.96
  6. Step 6: Final answer
    x = 145,567.91

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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.