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Finding the Fourth Proportional to 108,081, 162,122.22 and 34,209

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Solution

The fourth proportional to 108,081, 162,122.22 and 34,209 is: 51,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,081 : 162,122.22 = 34,209 : x
  2. Step 2: Convert to fraction form
    108,081/162,122.22 = 34,209/x
  3. Step 3: Cross multiply
    108,081x = 162,122.22 × 34,209
  4. Step 4: Simplify right side
    108,081x = 5,546,039,023.98
  5. Step 5: Solve for x
    x = 5,546,039,023.98/108,081
  6. Step 6: Final answer
    x = 51,313.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.