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Finding the Fourth Proportional to 95,879.56, 132,313.92 and 57,639.53

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Solution

The fourth proportional to 95,879.56, 132,313.92 and 57,639.53 is: 79,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,879.56 : 132,313.92 = 57,639.53 : x
  2. Step 2: Convert to fraction form
    95,879.56/132,313.92 = 57,639.53/x
  3. Step 3: Cross multiply
    95,879.56x = 132,313.92 × 57,639.53
  4. Step 4: Simplify right side
    95,879.56x = 7,626,512,161.26
  5. Step 5: Solve for x
    x = 7,626,512,161.26/95,879.56
  6. Step 6: Final answer
    x = 79,542.63

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1.5x scale

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.