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Finding the Fourth Proportional to 179,668.41, 269,506.26 and 120,619.41

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Solution

The fourth proportional to 179,668.41, 269,506.26 and 120,619.41 is: 180,931.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,668.41 : 269,506.26 = 120,619.41 : x
  2. Step 2: Convert to fraction form
    179,668.41/269,506.26 = 120,619.41/x
  3. Step 3: Cross multiply
    179,668.41x = 269,506.26 × 120,619.41
  4. Step 4: Simplify right side
    179,668.41x = 32,507,686,072.51
  5. Step 5: Solve for x
    x = 32,507,686,072.51/179,668.41
  6. Step 6: Final answer
    x = 180,931.56

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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.