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Finding the Fourth Proportional to 95,171.63, 142,759.73 and 31,992.57

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Solution

The fourth proportional to 95,171.63, 142,759.73 and 31,992.57 is: 47,989.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,171.63 : 142,759.73 = 31,992.57 : x
  2. Step 2: Convert to fraction form
    95,171.63/142,759.73 = 31,992.57/x
  3. Step 3: Cross multiply
    95,171.63x = 142,759.73 × 31,992.57
  4. Step 4: Simplify right side
    95,171.63x = 4,567,250,735.19
  5. Step 5: Solve for x
    x = 4,567,250,735.19/95,171.63
  6. Step 6: Final answer
    x = 47,989.63

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1.5x scale

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.