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Finding the Fourth Proportional to 118,984.69, 164,369.69 and 95,079.97

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Solution

The fourth proportional to 118,984.69, 164,369.69 and 95,079.97 is: 131,346.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,984.69 : 164,369.69 = 95,079.97 : x
  2. Step 2: Convert to fraction form
    118,984.69/164,369.69 = 95,079.97/x
  3. Step 3: Cross multiply
    118,984.69x = 164,369.69 × 95,079.97
  4. Step 4: Simplify right side
    118,984.69x = 15,628,265,194.11
  5. Step 5: Solve for x
    x = 15,628,265,194.11/118,984.69
  6. Step 6: Final answer
    x = 131,346.86

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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.