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Finding the Fourth Proportional to 193,007.56, 289,511.46 and 52,755.64

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Solution

The fourth proportional to 193,007.56, 289,511.46 and 52,755.64 is: 79,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,007.56 : 289,511.46 = 52,755.64 : x
  2. Step 2: Convert to fraction form
    193,007.56/289,511.46 = 52,755.64/x
  3. Step 3: Cross multiply
    193,007.56x = 289,511.46 × 52,755.64
  4. Step 4: Simplify right side
    193,007.56x = 15,273,362,359.63
  5. Step 5: Solve for x
    x = 15,273,362,359.63/193,007.56
  6. Step 6: Final answer
    x = 79,133.49

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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.