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Finding the Fourth Proportional to 127,069.75, 190,604.63 and 43,963.75

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Solution

The fourth proportional to 127,069.75, 190,604.63 and 43,963.75 is: 65,945.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,069.75 : 190,604.63 = 43,963.75 : x
  2. Step 2: Convert to fraction form
    127,069.75/190,604.63 = 43,963.75/x
  3. Step 3: Cross multiply
    127,069.75x = 190,604.63 × 43,963.75
  4. Step 4: Simplify right side
    127,069.75x = 8,379,694,302.16
  5. Step 5: Solve for x
    x = 8,379,694,302.16/127,069.75
  6. Step 6: Final answer
    x = 65,945.63

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Similar ratio
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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.