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Finding the Fourth Proportional to 170,761.88, 235,629.66 and 95,313.56

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Solution

The fourth proportional to 170,761.88, 235,629.66 and 95,313.56 is: 131,520.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,761.88 : 235,629.66 = 95,313.56 : x
  2. Step 2: Convert to fraction form
    170,761.88/235,629.66 = 95,313.56/x
  3. Step 3: Cross multiply
    170,761.88x = 235,629.66 × 95,313.56
  4. Step 4: Simplify right side
    170,761.88x = 22,458,701,736.19
  5. Step 5: Solve for x
    x = 22,458,701,736.19/170,761.88
  6. Step 6: Final answer
    x = 131,520.58

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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.