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Finding the Fourth Proportional to 118,984.69, 164,195.87 and 67,994.18

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Solution

The fourth proportional to 118,984.69, 164,195.87 and 67,994.18 is: 93,830.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,984.69 : 164,195.87 = 67,994.18 : x
  2. Step 2: Convert to fraction form
    118,984.69/164,195.87 = 67,994.18/x
  3. Step 3: Cross multiply
    118,984.69x = 164,195.87 × 67,994.18
  4. Step 4: Simplify right side
    118,984.69x = 11,164,362,379.09
  5. Step 5: Solve for x
    x = 11,164,362,379.09/118,984.69
  6. Step 6: Final answer
    x = 93,830.24

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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.