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Finding the Fourth Proportional to 72,662.49, 108,892.23 and 35,212.62

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Solution

The fourth proportional to 72,662.49, 108,892.23 and 35,212.62 is: 52,769.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,662.49 : 108,892.23 = 35,212.62 : x
  2. Step 2: Convert to fraction form
    72,662.49/108,892.23 = 35,212.62/x
  3. Step 3: Cross multiply
    72,662.49x = 108,892.23 × 35,212.62
  4. Step 4: Simplify right side
    72,662.49x = 3,834,380,715.94
  5. Step 5: Solve for x
    x = 3,834,380,715.94/72,662.49
  6. Step 6: Final answer
    x = 52,769.74

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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.