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Finding the Fourth Proportional to 127,381.66, 191,072.27 and 33,887.41

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Solution

The fourth proportional to 127,381.66, 191,072.27 and 33,887.41 is: 50,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,381.66 : 191,072.27 = 33,887.41 : x
  2. Step 2: Convert to fraction form
    127,381.66/191,072.27 = 33,887.41/x
  3. Step 3: Cross multiply
    127,381.66x = 191,072.27 × 33,887.41
  4. Step 4: Simplify right side
    127,381.66x = 6,474,944,183.68
  5. Step 5: Solve for x
    x = 6,474,944,183.68/127,381.66
  6. Step 6: Final answer
    x = 50,831.06

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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.