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Finding the Fourth Proportional to 194,684.44, 268,664.52 and 105,260.44

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Solution

The fourth proportional to 194,684.44, 268,664.52 and 105,260.44 is: 145,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,684.44 : 268,664.52 = 105,260.44 : x
  2. Step 2: Convert to fraction form
    194,684.44/268,664.52 = 105,260.44/x
  3. Step 3: Cross multiply
    194,684.44x = 268,664.52 × 105,260.44
  4. Step 4: Simplify right side
    194,684.44x = 28,279,745,310.65
  5. Step 5: Solve for x
    x = 28,279,745,310.65/194,684.44
  6. Step 6: Final answer
    x = 145,259.40

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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.