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Finding the Fourth Proportional to 127,384.92, 191,077.70 and 33,890.67

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Solution

The fourth proportional to 127,384.92, 191,077.70 and 33,890.67 is: 50,836.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,384.92 : 191,077.70 = 33,890.67 : x
  2. Step 2: Convert to fraction form
    127,384.92/191,077.70 = 33,890.67/x
  3. Step 3: Cross multiply
    127,384.92x = 191,077.70 × 33,890.67
  4. Step 4: Simplify right side
    127,384.92x = 6,475,751,105.61
  5. Step 5: Solve for x
    x = 6,475,751,105.61/127,384.92
  6. Step 6: Final answer
    x = 50,836.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.