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Finding the Fourth Proportional to 235,912.37, 325,568.28 and 133,947.32

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Solution

The fourth proportional to 235,912.37, 325,568.28 and 133,947.32 is: 184,852.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,912.37 : 325,568.28 = 133,947.32 : x
  2. Step 2: Convert to fraction form
    235,912.37/325,568.28 = 133,947.32/x
  3. Step 3: Cross multiply
    235,912.37x = 325,568.28 × 133,947.32
  4. Step 4: Simplify right side
    235,912.37x = 43,608,998,535.34
  5. Step 5: Solve for x
    x = 43,608,998,535.34/235,912.37
  6. Step 6: Final answer
    x = 184,852.53

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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.