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Finding the Fourth Proportional to 127,635.50, 191,540.73 and 44,529.50

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Solution

The fourth proportional to 127,635.50, 191,540.73 and 44,529.50 is: 66,824.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,635.50 : 191,540.73 = 44,529.50 : x
  2. Step 2: Convert to fraction form
    127,635.50/191,540.73 = 44,529.50/x
  3. Step 3: Cross multiply
    127,635.50x = 191,540.73 × 44,529.50
  4. Step 4: Simplify right side
    127,635.50x = 8,529,212,936.54
  5. Step 5: Solve for x
    x = 8,529,212,936.54/127,635.50
  6. Step 6: Final answer
    x = 66,824.77

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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.