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Finding the Fourth Proportional to 194,059.56, 290,990.94 and 88,788.33

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Solution

The fourth proportional to 194,059.56, 290,990.94 and 88,788.33 is: 133,137.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,059.56 : 290,990.94 = 88,788.33 : x
  2. Step 2: Convert to fraction form
    194,059.56/290,990.94 = 88,788.33/x
  3. Step 3: Cross multiply
    194,059.56x = 290,990.94 × 88,788.33
  4. Step 4: Simplify right side
    194,059.56x = 25,836,599,607.73
  5. Step 5: Solve for x
    x = 25,836,599,607.73/194,059.56
  6. Step 6: Final answer
    x = 133,137.47

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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.