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Finding the Fourth Proportional to 107,668.67, 161,384.08 and 44,453.94

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Solution

The fourth proportional to 107,668.67, 161,384.08 and 44,453.94 is: 66,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,668.67 : 161,384.08 = 44,453.94 : x
  2. Step 2: Convert to fraction form
    107,668.67/161,384.08 = 44,453.94/x
  3. Step 3: Cross multiply
    107,668.67x = 161,384.08 × 44,453.94
  4. Step 4: Simplify right side
    107,668.67x = 7,174,158,703.33
  5. Step 5: Solve for x
    x = 7,174,158,703.33/107,668.67
  6. Step 6: Final answer
    x = 66,631.81

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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.