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Finding the Fourth Proportional to 127,270.70, 190,906.05 and 44,164.70

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Solution

The fourth proportional to 127,270.70, 190,906.05 and 44,164.70 is: 66,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,270.70 : 190,906.05 = 44,164.70 : x
  2. Step 2: Convert to fraction form
    127,270.70/190,906.05 = 44,164.70/x
  3. Step 3: Cross multiply
    127,270.70x = 190,906.05 × 44,164.70
  4. Step 4: Simplify right side
    127,270.70x = 8,431,308,426.44
  5. Step 5: Solve for x
    x = 8,431,308,426.44/127,270.70
  6. Step 6: Final answer
    x = 66,247.05

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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.