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Finding the Fourth Proportional to 363,900.50, 545,933.84 and 111,216.96

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Solution

The fourth proportional to 363,900.50, 545,933.84 and 111,216.96 is: 166,850.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,900.50 : 545,933.84 = 111,216.96 : x
  2. Step 2: Convert to fraction form
    363,900.50/545,933.84 = 111,216.96/x
  3. Step 3: Cross multiply
    363,900.50x = 545,933.84 × 111,216.96
  4. Step 4: Simplify right side
    363,900.50x = 60,717,102,045.93
  5. Step 5: Solve for x
    x = 60,717,102,045.93/363,900.50
  6. Step 6: Final answer
    x = 166,850.83

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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.