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Finding the Fourth Proportional to 167,896.43, 251,890.64 and 49,567.71

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Solution

The fourth proportional to 167,896.43, 251,890.64 and 49,567.71 is: 74,365.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,896.43 : 251,890.64 = 49,567.71 : x
  2. Step 2: Convert to fraction form
    167,896.43/251,890.64 = 49,567.71/x
  3. Step 3: Cross multiply
    167,896.43x = 251,890.64 × 49,567.71
  4. Step 4: Simplify right side
    167,896.43x = 12,485,642,195.23
  5. Step 5: Solve for x
    x = 12,485,642,195.23/167,896.43
  6. Step 6: Final answer
    x = 74,365.14

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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.