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Finding the Fourth Proportional to 127,165, 190,781.52 and 44,059

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Solution

The fourth proportional to 127,165, 190,781.52 and 44,059 is: 66,100.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,165 : 190,781.52 = 44,059 : x
  2. Step 2: Convert to fraction form
    127,165/190,781.52 = 44,059/x
  3. Step 3: Cross multiply
    127,165x = 190,781.52 × 44,059
  4. Step 4: Simplify right side
    127,165x = 8,405,642,989.68
  5. Step 5: Solve for x
    x = 8,405,642,989.68/127,165
  6. Step 6: Final answer
    x = 66,100.29

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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.