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Finding the Fourth Proportional to 79,114.59, 118,512.87 and 36,936.47

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Solution

The fourth proportional to 79,114.59, 118,512.87 and 36,936.47 is: 55,330.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,114.59 : 118,512.87 = 36,936.47 : x
  2. Step 2: Convert to fraction form
    79,114.59/118,512.87 = 36,936.47/x
  3. Step 3: Cross multiply
    79,114.59x = 118,512.87 × 36,936.47
  4. Step 4: Simplify right side
    79,114.59x = 4,377,447,067.37
  5. Step 5: Solve for x
    x = 4,377,447,067.37/79,114.59
  6. Step 6: Final answer
    x = 55,330.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.