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Finding the Fourth Proportional to 118,965.94, 164,187.59 and 68,664.94

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Solution

The fourth proportional to 118,965.94, 164,187.59 and 68,664.94 is: 94,766.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,965.94 : 164,187.59 = 68,664.94 : x
  2. Step 2: Convert to fraction form
    118,965.94/164,187.59 = 68,664.94/x
  3. Step 3: Cross multiply
    118,965.94x = 164,187.59 × 68,664.94
  4. Step 4: Simplify right side
    118,965.94x = 11,273,930,262.30
  5. Step 5: Solve for x
    x = 11,273,930,262.30/118,965.94
  6. Step 6: Final answer
    x = 94,766.04

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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.