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Finding the Fourth Proportional to 273,318.73, 376,934.26 and 171,355.32

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Solution

The fourth proportional to 273,318.73, 376,934.26 and 171,355.32 is: 236,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,318.73 : 376,934.26 = 171,355.32 : x
  2. Step 2: Convert to fraction form
    273,318.73/376,934.26 = 171,355.32/x
  3. Step 3: Cross multiply
    273,318.73x = 376,934.26 × 171,355.32
  4. Step 4: Simplify right side
    273,318.73x = 64,589,690,741.26
  5. Step 5: Solve for x
    x = 64,589,690,741.26/273,318.73
  6. Step 6: Final answer
    x = 236,316.37

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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.