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Finding the Fourth Proportional to 95,317.88, 142,930.50 and 28,745.60

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Solution

The fourth proportional to 95,317.88, 142,930.50 and 28,745.60 is: 43,104.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,317.88 : 142,930.50 = 28,745.60 : x
  2. Step 2: Convert to fraction form
    95,317.88/142,930.50 = 28,745.60/x
  3. Step 3: Cross multiply
    95,317.88x = 142,930.50 × 28,745.60
  4. Step 4: Simplify right side
    95,317.88x = 4,108,622,980.80
  5. Step 5: Solve for x
    x = 4,108,622,980.80/95,317.88
  6. Step 6: Final answer
    x = 43,104.43

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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.