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Finding the Fourth Proportional to 108,481.50, 162,725.16 and 34,609.50

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Solution

The fourth proportional to 108,481.50, 162,725.16 and 34,609.50 is: 51,915.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,481.50 : 162,725.16 = 34,609.50 : x
  2. Step 2: Convert to fraction form
    108,481.50/162,725.16 = 34,609.50/x
  3. Step 3: Cross multiply
    108,481.50x = 162,725.16 × 34,609.50
  4. Step 4: Simplify right side
    108,481.50x = 5,631,836,425.02
  5. Step 5: Solve for x
    x = 5,631,836,425.02/108,481.50
  6. Step 6: Final answer
    x = 51,915.18

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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.