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Finding the Fourth Proportional to 119,896.67, 179,806.07 and 39,913.16

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Solution

The fourth proportional to 119,896.67, 179,806.07 and 39,913.16 is: 59,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,896.67 : 179,806.07 = 39,913.16 : x
  2. Step 2: Convert to fraction form
    119,896.67/179,806.07 = 39,913.16/x
  3. Step 3: Cross multiply
    119,896.67x = 179,806.07 × 39,913.16
  4. Step 4: Simplify right side
    119,896.67x = 7,176,627,342.29
  5. Step 5: Solve for x
    x = 7,176,627,342.29/119,896.67
  6. Step 6: Final answer
    x = 59,856.77

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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.