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Finding the Fourth Proportional to 89,631.50, 134,448.86 and 27,300.38

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Solution

The fourth proportional to 89,631.50, 134,448.86 and 27,300.38 is: 40,951.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,631.50 : 134,448.86 = 27,300.38 : x
  2. Step 2: Convert to fraction form
    89,631.50/134,448.86 = 27,300.38/x
  3. Step 3: Cross multiply
    89,631.50x = 134,448.86 × 27,300.38
  4. Step 4: Simplify right side
    89,631.50x = 3,670,504,364.57
  5. Step 5: Solve for x
    x = 3,670,504,364.57/89,631.50
  6. Step 6: Final answer
    x = 40,951.06

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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.