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Finding the Fourth Proportional to 303,783.15, 455,739.31 and 104,049.91

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Solution

The fourth proportional to 303,783.15, 455,739.31 and 104,049.91 is: 156,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,783.15 : 455,739.31 = 104,049.91 : x
  2. Step 2: Convert to fraction form
    303,783.15/455,739.31 = 104,049.91/x
  3. Step 3: Cross multiply
    303,783.15x = 455,739.31 × 104,049.91
  4. Step 4: Simplify right side
    303,783.15x = 47,419,632,789.49
  5. Step 5: Solve for x
    x = 47,419,632,789.49/303,783.15
  6. Step 6: Final answer
    x = 156,096.98

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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.