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Finding the Fourth Proportional to 271,864.96, 407,797.44 and 84,892.48

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Solution

The fourth proportional to 271,864.96, 407,797.44 and 84,892.48 is: 127,338.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,864.96 : 407,797.44 = 84,892.48 : x
  2. Step 2: Convert to fraction form
    271,864.96/407,797.44 = 84,892.48/x
  3. Step 3: Cross multiply
    271,864.96x = 407,797.44 × 84,892.48
  4. Step 4: Simplify right side
    271,864.96x = 34,618,936,019.25
  5. Step 5: Solve for x
    x = 34,618,936,019.25/271,864.96
  6. Step 6: Final answer
    x = 127,338.72

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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.