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Finding the Fourth Proportional to 235,866.12, 325,409.78 and 133,832.49

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Solution

The fourth proportional to 235,866.12, 325,409.78 and 133,832.49 is: 184,640.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,866.12 : 325,409.78 = 133,832.49 : x
  2. Step 2: Convert to fraction form
    235,866.12/325,409.78 = 133,832.49/x
  3. Step 3: Cross multiply
    235,866.12x = 325,409.78 × 133,832.49
  4. Step 4: Simplify right side
    235,866.12x = 43,550,400,458.59
  5. Step 5: Solve for x
    x = 43,550,400,458.59/235,866.12
  6. Step 6: Final answer
    x = 184,640.34

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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.