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Finding the Fourth Proportional to 304,136.64, 419,691.62 and 168,162.44

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Solution

The fourth proportional to 304,136.64, 419,691.62 and 168,162.44 is: 232,054.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,136.64 : 419,691.62 = 168,162.44 : x
  2. Step 2: Convert to fraction form
    304,136.64/419,691.62 = 168,162.44/x
  3. Step 3: Cross multiply
    304,136.64x = 419,691.62 × 168,162.44
  4. Step 4: Simplify right side
    304,136.64x = 70,576,365,188.70
  5. Step 5: Solve for x
    x = 70,576,365,188.70/304,136.64
  6. Step 6: Final answer
    x = 232,054.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.