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Finding the Fourth Proportional to 119,857.29, 179,866.20 and 49,736.67

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Solution

The fourth proportional to 119,857.29, 179,866.20 and 49,736.67 is: 74,638.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,857.29 : 179,866.20 = 49,736.67 : x
  2. Step 2: Convert to fraction form
    119,857.29/179,866.20 = 49,736.67/x
  3. Step 3: Cross multiply
    119,857.29x = 179,866.20 × 49,736.67
  4. Step 4: Simplify right side
    119,857.29x = 8,945,945,833.55
  5. Step 5: Solve for x
    x = 8,945,945,833.55/119,857.29
  6. Step 6: Final answer
    x = 74,638.31

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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.