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Finding the Fourth Proportional to 167,759, 231,509.04 and 92,309.12

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Solution

The fourth proportional to 167,759, 231,509.04 and 92,309.12 is: 127,387.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,759 : 231,509.04 = 92,309.12 : x
  2. Step 2: Convert to fraction form
    167,759/231,509.04 = 92,309.12/x
  3. Step 3: Cross multiply
    167,759x = 231,509.04 × 92,309.12
  4. Step 4: Simplify right side
    167,759x = 21,370,395,754.44
  5. Step 5: Solve for x
    x = 21,370,395,754.44/167,759
  6. Step 6: Final answer
    x = 127,387.48

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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.