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Finding the Fourth Proportional to 254,879.14, 381,793.74 and 149,443.87

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Solution

The fourth proportional to 254,879.14, 381,793.74 and 149,443.87 is: 223,858.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,879.14 : 381,793.74 = 149,443.87 : x
  2. Step 2: Convert to fraction form
    254,879.14/381,793.74 = 149,443.87/x
  3. Step 3: Cross multiply
    254,879.14x = 381,793.74 × 149,443.87
  4. Step 4: Simplify right side
    254,879.14x = 57,056,734,047.37
  5. Step 5: Solve for x
    x = 57,056,734,047.37/254,879.14
  6. Step 6: Final answer
    x = 223,858.00

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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.