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Finding the Fourth Proportional to 330,658.08, 496,157.81 and 141,067.56

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Solution

The fourth proportional to 330,658.08, 496,157.81 and 141,067.56 is: 211,674.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,658.08 : 496,157.81 = 141,067.56 : x
  2. Step 2: Convert to fraction form
    330,658.08/496,157.81 = 141,067.56/x
  3. Step 3: Cross multiply
    330,658.08x = 496,157.81 × 141,067.56
  4. Step 4: Simplify right side
    330,658.08x = 69,991,770,926.31
  5. Step 5: Solve for x
    x = 69,991,770,926.31/330,658.08
  6. Step 6: Final answer
    x = 211,674.16

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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.