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Finding the Fourth Proportional to 235,879.87, 325,511 and 133,904.44

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Solution

The fourth proportional to 235,879.87, 325,511 and 133,904.44 is: 184,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,879.87 : 325,511 = 133,904.44 : x
  2. Step 2: Convert to fraction form
    235,879.87/325,511 = 133,904.44/x
  3. Step 3: Cross multiply
    235,879.87x = 325,511 × 133,904.44
  4. Step 4: Simplify right side
    235,879.87x = 43,587,368,168.84
  5. Step 5: Solve for x
    x = 43,587,368,168.84/235,879.87
  6. Step 6: Final answer
    x = 184,786.30

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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.