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Finding the Fourth Proportional to 167,215.36, 230,752 and 91,761.92

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Solution

The fourth proportional to 167,215.36, 230,752 and 91,761.92 is: 126,628.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,215.36 : 230,752 = 91,761.92 : x
  2. Step 2: Convert to fraction form
    167,215.36/230,752 = 91,761.92/x
  3. Step 3: Cross multiply
    167,215.36x = 230,752 × 91,761.92
  4. Step 4: Simplify right side
    167,215.36x = 21,174,246,563.84
  5. Step 5: Solve for x
    x = 21,174,246,563.84/167,215.36
  6. Step 6: Final answer
    x = 126,628.60

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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.