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Finding the Fourth Proportional to 118,786.97, 163,863.88 and 73,450.46

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Solution

The fourth proportional to 118,786.97, 163,863.88 and 73,450.46 is: 101,323.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,786.97 : 163,863.88 = 73,450.46 : x
  2. Step 2: Convert to fraction form
    118,786.97/163,863.88 = 73,450.46/x
  3. Step 3: Cross multiply
    118,786.97x = 163,863.88 × 73,450.46
  4. Step 4: Simplify right side
    118,786.97x = 12,035,877,589.42
  5. Step 5: Solve for x
    x = 12,035,877,589.42/118,786.97
  6. Step 6: Final answer
    x = 101,323.21

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1.5x scale

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.