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Finding the Fourth Proportional to 178,694.37, 268,047.99 and 89,899.56

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Solution

The fourth proportional to 178,694.37, 268,047.99 and 89,899.56 is: 134,852.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,694.37 : 268,047.99 = 89,899.56 : x
  2. Step 2: Convert to fraction form
    178,694.37/268,047.99 = 89,899.56/x
  3. Step 3: Cross multiply
    178,694.37x = 268,047.99 × 89,899.56
  4. Step 4: Simplify right side
    178,694.37x = 24,097,396,359.88
  5. Step 5: Solve for x
    x = 24,097,396,359.88/178,694.37
  6. Step 6: Final answer
    x = 134,852.58

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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.