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Finding the Fourth Proportional to 246,164.40, 369,241.20 and 68,666.40

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Solution

The fourth proportional to 246,164.40, 369,241.20 and 68,666.40 is: 102,998.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,164.40 : 369,241.20 = 68,666.40 : x
  2. Step 2: Convert to fraction form
    246,164.40/369,241.20 = 68,666.40/x
  3. Step 3: Cross multiply
    246,164.40x = 369,241.20 × 68,666.40
  4. Step 4: Simplify right side
    246,164.40x = 25,354,463,935.68
  5. Step 5: Solve for x
    x = 25,354,463,935.68/246,164.40
  6. Step 6: Final answer
    x = 102,998.09

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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.