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Finding the Fourth Proportional to 304,167.60, 419,714.64 and 168,183.18

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Solution

The fourth proportional to 304,167.60, 419,714.64 and 168,183.18 is: 232,072.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,167.60 : 419,714.64 = 168,183.18 : x
  2. Step 2: Convert to fraction form
    304,167.60/419,714.64 = 168,183.18/x
  3. Step 3: Cross multiply
    304,167.60x = 419,714.64 × 168,183.18
  4. Step 4: Simplify right side
    304,167.60x = 70,588,942,847.76
  5. Step 5: Solve for x
    x = 70,588,942,847.76/304,167.60
  6. Step 6: Final answer
    x = 232,072.52

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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.