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Finding the Fourth Proportional to 119,694.09, 179,485.94 and 35,424.12

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Solution

The fourth proportional to 119,694.09, 179,485.94 and 35,424.12 is: 53,119.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,694.09 : 179,485.94 = 35,424.12 : x
  2. Step 2: Convert to fraction form
    119,694.09/179,485.94 = 35,424.12/x
  3. Step 3: Cross multiply
    119,694.09x = 179,485.94 × 35,424.12
  4. Step 4: Simplify right side
    119,694.09x = 6,358,131,299.75
  5. Step 5: Solve for x
    x = 6,358,131,299.75/119,694.09
  6. Step 6: Final answer
    x = 53,119.84

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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.