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Finding the Fourth Proportional to 89,908.50, 134,869.23 and 34,504.50

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Solution

The fourth proportional to 89,908.50, 134,869.23 and 34,504.50 is: 51,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,908.50 : 134,869.23 = 34,504.50 : x
  2. Step 2: Convert to fraction form
    89,908.50/134,869.23 = 34,504.50/x
  3. Step 3: Cross multiply
    89,908.50x = 134,869.23 × 34,504.50
  4. Step 4: Simplify right side
    89,908.50x = 4,653,595,346.54
  5. Step 5: Solve for x
    x = 4,653,595,346.54/89,908.50
  6. Step 6: Final answer
    x = 51,759.24

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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.