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Finding the Fourth Proportional to 95,772.88, 131,946.50 and 75,622.41

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Solution

The fourth proportional to 95,772.88, 131,946.50 and 75,622.41 is: 104,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,772.88 : 131,946.50 = 75,622.41 : x
  2. Step 2: Convert to fraction form
    95,772.88/131,946.50 = 75,622.41/x
  3. Step 3: Cross multiply
    95,772.88x = 131,946.50 × 75,622.41
  4. Step 4: Simplify right side
    95,772.88x = 9,978,111,661.33
  5. Step 5: Solve for x
    x = 9,978,111,661.33/95,772.88
  6. Step 6: Final answer
    x = 104,185.15

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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.