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Finding the Fourth Proportional to 127,940.44, 191,910.38 and 34,446.28

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Solution

The fourth proportional to 127,940.44, 191,910.38 and 34,446.28 is: 51,669.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,940.44 : 191,910.38 = 34,446.28 : x
  2. Step 2: Convert to fraction form
    127,940.44/191,910.38 = 34,446.28/x
  3. Step 3: Cross multiply
    127,940.44x = 191,910.38 × 34,446.28
  4. Step 4: Simplify right side
    127,940.44x = 6,610,598,684.39
  5. Step 5: Solve for x
    x = 6,610,598,684.39/127,940.44
  6. Step 6: Final answer
    x = 51,669.34

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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.