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Finding the Fourth Proportional to 95,612.46, 143,418.54 and 45,540.70

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Solution

The fourth proportional to 95,612.46, 143,418.54 and 45,540.70 is: 68,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,612.46 : 143,418.54 = 45,540.70 : x
  2. Step 2: Convert to fraction form
    95,612.46/143,418.54 = 45,540.70/x
  3. Step 3: Cross multiply
    95,612.46x = 143,418.54 × 45,540.70
  4. Step 4: Simplify right side
    95,612.46x = 6,531,380,704.58
  5. Step 5: Solve for x
    x = 6,531,380,704.58/95,612.46
  6. Step 6: Final answer
    x = 68,310.98

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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.