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Finding the Fourth Proportional to 68,690.88, 102,968.14 and 32,604.10

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Solution

The fourth proportional to 68,690.88, 102,968.14 and 32,604.10 is: 48,873.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,690.88 : 102,968.14 = 32,604.10 : x
  2. Step 2: Convert to fraction form
    68,690.88/102,968.14 = 32,604.10/x
  3. Step 3: Cross multiply
    68,690.88x = 102,968.14 × 32,604.10
  4. Step 4: Simplify right side
    68,690.88x = 3,357,183,527.91
  5. Step 5: Solve for x
    x = 3,357,183,527.91/68,690.88
  6. Step 6: Final answer
    x = 48,873.79

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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.