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Finding the Fourth Proportional to 95,989.28, 132,456 and 53,550.54

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Solution

The fourth proportional to 95,989.28, 132,456 and 53,550.54 is: 73,894.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,989.28 : 132,456 = 53,550.54 : x
  2. Step 2: Convert to fraction form
    95,989.28/132,456 = 53,550.54/x
  3. Step 3: Cross multiply
    95,989.28x = 132,456 × 53,550.54
  4. Step 4: Simplify right side
    95,989.28x = 7,093,090,326.24
  5. Step 5: Solve for x
    x = 7,093,090,326.24/95,989.28
  6. Step 6: Final answer
    x = 73,894.61

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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.