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Finding the Fourth Proportional to 89,805.56, 134,504.43 and 69,653.27

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Solution

The fourth proportional to 89,805.56, 134,504.43 and 69,653.27 is: 104,321.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,805.56 : 134,504.43 = 69,653.27 : x
  2. Step 2: Convert to fraction form
    89,805.56/134,504.43 = 69,653.27/x
  3. Step 3: Cross multiply
    89,805.56x = 134,504.43 × 69,653.27
  4. Step 4: Simplify right side
    89,805.56x = 9,368,673,378.99
  5. Step 5: Solve for x
    x = 9,368,673,378.99/89,805.56
  6. Step 6: Final answer
    x = 104,321.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.