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Finding the Fourth Proportional to 260,928.26, 360,081 and 147,751

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Solution

The fourth proportional to 260,928.26, 360,081 and 147,751 is: 203,896.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,928.26 : 360,081 = 147,751 : x
  2. Step 2: Convert to fraction form
    260,928.26/360,081 = 147,751/x
  3. Step 3: Cross multiply
    260,928.26x = 360,081 × 147,751
  4. Step 4: Simplify right side
    260,928.26x = 53,202,327,831
  5. Step 5: Solve for x
    x = 53,202,327,831/260,928.26
  6. Step 6: Final answer
    x = 203,896.38

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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.