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Finding the Fourth Proportional to 95,453.91, 143,182.69 and 28,893.78

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Solution

The fourth proportional to 95,453.91, 143,182.69 and 28,893.78 is: 43,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,453.91 : 143,182.69 = 28,893.78 : x
  2. Step 2: Convert to fraction form
    95,453.91/143,182.69 = 28,893.78/x
  3. Step 3: Cross multiply
    95,453.91x = 143,182.69 × 28,893.78
  4. Step 4: Simplify right side
    95,453.91x = 4,137,089,072.43
  5. Step 5: Solve for x
    x = 4,137,089,072.43/95,453.91
  6. Step 6: Final answer
    x = 43,341.22

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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.