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Finding the Fourth Proportional to 148,204.48, 204,522.24 and 81,136.48

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Solution

The fourth proportional to 148,204.48, 204,522.24 and 81,136.48 is: 111,968.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,204.48 : 204,522.24 = 81,136.48 : x
  2. Step 2: Convert to fraction form
    148,204.48/204,522.24 = 81,136.48/x
  3. Step 3: Cross multiply
    148,204.48x = 204,522.24 × 81,136.48
  4. Step 4: Simplify right side
    148,204.48x = 16,594,214,635.32
  5. Step 5: Solve for x
    x = 16,594,214,635.32/148,204.48
  6. Step 6: Final answer
    x = 111,968.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.