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Finding the Fourth Proportional to 118,568.97, 163,629.72 and 67,589.73

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Solution

The fourth proportional to 118,568.97, 163,629.72 and 67,589.73 is: 93,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,568.97 : 163,629.72 = 67,589.73 : x
  2. Step 2: Convert to fraction form
    118,568.97/163,629.72 = 67,589.73/x
  3. Step 3: Cross multiply
    118,568.97x = 163,629.72 × 67,589.73
  4. Step 4: Simplify right side
    118,568.97x = 11,059,688,594.78
  5. Step 5: Solve for x
    x = 11,059,688,594.78/118,568.97
  6. Step 6: Final answer
    x = 93,276.42

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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.