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Finding the Fourth Proportional to 119,896.73, 179,806.16 and 39,913.22

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Solution

The fourth proportional to 119,896.73, 179,806.16 and 39,913.22 is: 59,856.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,896.73 : 179,806.16 = 39,913.22 : x
  2. Step 2: Convert to fraction form
    119,896.73/179,806.16 = 39,913.22/x
  3. Step 3: Cross multiply
    119,896.73x = 179,806.16 × 39,913.22
  4. Step 4: Simplify right side
    119,896.73x = 7,176,641,722.84
  5. Step 5: Solve for x
    x = 7,176,641,722.84/119,896.73
  6. Step 6: Final answer
    x = 59,856.86

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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.