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Finding the Fourth Proportional to 95,999.89, 132,479.93 and 53,558.43

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Solution

The fourth proportional to 95,999.89, 132,479.93 and 53,558.43 is: 73,910.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,999.89 : 132,479.93 = 53,558.43 : x
  2. Step 2: Convert to fraction form
    95,999.89/132,479.93 = 53,558.43/x
  3. Step 3: Cross multiply
    95,999.89x = 132,479.93 × 53,558.43
  4. Step 4: Simplify right side
    95,999.89x = 7,095,416,789.52
  5. Step 5: Solve for x
    x = 7,095,416,789.52/95,999.89
  6. Step 6: Final answer
    x = 73,910.68

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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.