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Finding the Fourth Proportional to 263,919.96, 364,377.96 and 173,436.48

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Solution

The fourth proportional to 263,919.96, 364,377.96 and 173,436.48 is: 239,453.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,919.96 : 364,377.96 = 173,436.48 : x
  2. Step 2: Convert to fraction form
    263,919.96/364,377.96 = 173,436.48/x
  3. Step 3: Cross multiply
    263,919.96x = 364,377.96 × 173,436.48
  4. Step 4: Simplify right side
    263,919.96x = 63,196,430,771.98
  5. Step 5: Solve for x
    x = 63,196,430,771.98/263,919.96
  6. Step 6: Final answer
    x = 239,453.02

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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.