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Finding the Fourth Proportional to 68,199.12, 102,360.60 and 34,942.14

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Solution

The fourth proportional to 68,199.12, 102,360.60 and 34,942.14 is: 52,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,199.12 : 102,360.60 = 34,942.14 : x
  2. Step 2: Convert to fraction form
    68,199.12/102,360.60 = 34,942.14/x
  3. Step 3: Cross multiply
    68,199.12x = 102,360.60 × 34,942.14
  4. Step 4: Simplify right side
    68,199.12x = 3,576,698,415.68
  5. Step 5: Solve for x
    x = 3,576,698,415.68/68,199.12
  6. Step 6: Final answer
    x = 52,444.94

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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.