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Finding the Fourth Proportional to 127,381.91, 191,072.64 and 33,887.66

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Solution

The fourth proportional to 127,381.91, 191,072.64 and 33,887.66 is: 50,831.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,381.91 : 191,072.64 = 33,887.66 : x
  2. Step 2: Convert to fraction form
    127,381.91/191,072.64 = 33,887.66/x
  3. Step 3: Cross multiply
    127,381.91x = 191,072.64 × 33,887.66
  4. Step 4: Simplify right side
    127,381.91x = 6,475,004,659.62
  5. Step 5: Solve for x
    x = 6,475,004,659.62/127,381.91
  6. Step 6: Final answer
    x = 50,831.43

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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.