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Finding the Fourth Proportional to 68,563.96, 102,904.14 and 27,040.12

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Solution

The fourth proportional to 68,563.96, 102,904.14 and 27,040.12 is: 40,583.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,563.96 : 102,904.14 = 27,040.12 : x
  2. Step 2: Convert to fraction form
    68,563.96/102,904.14 = 27,040.12/x
  3. Step 3: Cross multiply
    68,563.96x = 102,904.14 × 27,040.12
  4. Step 4: Simplify right side
    68,563.96x = 2,782,540,294.10
  5. Step 5: Solve for x
    x = 2,782,540,294.10/68,563.96
  6. Step 6: Final answer
    x = 40,583.13

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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.