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Finding the Fourth Proportional to 263,570.95, 363,579.36 and 166,744.75

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Solution

The fourth proportional to 263,570.95, 363,579.36 and 166,744.75 is: 230,013.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,570.95 : 363,579.36 = 166,744.75 : x
  2. Step 2: Convert to fraction form
    263,570.95/363,579.36 = 166,744.75/x
  3. Step 3: Cross multiply
    263,570.95x = 363,579.36 × 166,744.75
  4. Step 4: Simplify right side
    263,570.95x = 60,624,949,488.36
  5. Step 5: Solve for x
    x = 60,624,949,488.36/263,570.95
  6. Step 6: Final answer
    x = 230,013.78

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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.