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Finding the Fourth Proportional to 95,183.91, 142,775.46 and 55,990.44

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Solution

The fourth proportional to 95,183.91, 142,775.46 and 55,990.44 is: 83,985.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,183.91 : 142,775.46 = 55,990.44 : x
  2. Step 2: Convert to fraction form
    95,183.91/142,775.46 = 55,990.44/x
  3. Step 3: Cross multiply
    95,183.91x = 142,775.46 × 55,990.44
  4. Step 4: Simplify right side
    95,183.91x = 7,994,060,826.60
  5. Step 5: Solve for x
    x = 7,994,060,826.60/95,183.91
  6. Step 6: Final answer
    x = 83,985.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.