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Finding the Fourth Proportional to 167,628, 231,326.88 and 92,174.88

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Solution

The fourth proportional to 167,628, 231,326.88 and 92,174.88 is: 127,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,628 : 231,326.88 = 92,174.88 : x
  2. Step 2: Convert to fraction form
    167,628/231,326.88 = 92,174.88/x
  3. Step 3: Cross multiply
    167,628x = 231,326.88 × 92,174.88
  4. Step 4: Simplify right side
    167,628x = 21,322,527,404.77
  5. Step 5: Solve for x
    x = 21,322,527,404.77/167,628
  6. Step 6: Final answer
    x = 127,201.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.