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Finding the Fourth Proportional to 68,181.82, 102,270.30 and 23,808.40

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Solution

The fourth proportional to 68,181.82, 102,270.30 and 23,808.40 is: 35,711.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,181.82 : 102,270.30 = 23,808.40 : x
  2. Step 2: Convert to fraction form
    68,181.82/102,270.30 = 23,808.40/x
  3. Step 3: Cross multiply
    68,181.82x = 102,270.30 × 23,808.40
  4. Step 4: Simplify right side
    68,181.82x = 2,434,892,210.52
  5. Step 5: Solve for x
    x = 2,434,892,210.52/68,181.82
  6. Step 6: Final answer
    x = 35,711.75

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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.