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Finding the Fourth Proportional to 363,690.36, 545,522.79 and 110,960.64

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Solution

The fourth proportional to 363,690.36, 545,522.79 and 110,960.64 is: 166,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,690.36 : 545,522.79 = 110,960.64 : x
  2. Step 2: Convert to fraction form
    363,690.36/545,522.79 = 110,960.64/x
  3. Step 3: Cross multiply
    363,690.36x = 545,522.79 × 110,960.64
  4. Step 4: Simplify right side
    363,690.36x = 60,531,557,912.99
  5. Step 5: Solve for x
    x = 60,531,557,912.99/363,690.36
  6. Step 6: Final answer
    x = 166,437.07

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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.