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Finding the Fourth Proportional to 95,201.88, 142,806.42 and 28,651.47

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Solution

The fourth proportional to 95,201.88, 142,806.42 and 28,651.47 is: 42,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,201.88 : 142,806.42 = 28,651.47 : x
  2. Step 2: Convert to fraction form
    95,201.88/142,806.42 = 28,651.47/x
  3. Step 3: Cross multiply
    95,201.88x = 142,806.42 × 28,651.47
  4. Step 4: Simplify right side
    95,201.88x = 4,091,613,858.44
  5. Step 5: Solve for x
    x = 4,091,613,858.44/95,201.88
  6. Step 6: Final answer
    x = 42,978.29

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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.