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Finding the Fourth Proportional to 304,092.44, 419,630.63 and 168,118.45

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Solution

The fourth proportional to 304,092.44, 419,630.63 and 168,118.45 is: 231,994.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,092.44 : 419,630.63 = 168,118.45 : x
  2. Step 2: Convert to fraction form
    304,092.44/419,630.63 = 168,118.45/x
  3. Step 3: Cross multiply
    304,092.44x = 419,630.63 × 168,118.45
  4. Step 4: Simplify right side
    304,092.44x = 70,547,649,788.56
  5. Step 5: Solve for x
    x = 70,547,649,788.56/304,092.44
  6. Step 6: Final answer
    x = 231,994.09

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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.