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Finding the Fourth Proportional to 303,896.70, 455,845.05 and 104,150.70

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Solution

The fourth proportional to 303,896.70, 455,845.05 and 104,150.70 is: 156,226.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,896.70 : 455,845.05 = 104,150.70 : x
  2. Step 2: Convert to fraction form
    303,896.70/455,845.05 = 104,150.70/x
  3. Step 3: Cross multiply
    303,896.70x = 455,845.05 × 104,150.70
  4. Step 4: Simplify right side
    303,896.70x = 47,476,581,049.04
  5. Step 5: Solve for x
    x = 47,476,581,049.04/303,896.70
  6. Step 6: Final answer
    x = 156,226.05

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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.