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Finding the Fourth Proportional to 79,097.25, 118,647.36 and 36,965.78

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Solution

The fourth proportional to 79,097.25, 118,647.36 and 36,965.78 is: 55,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,097.25 : 118,647.36 = 36,965.78 : x
  2. Step 2: Convert to fraction form
    79,097.25/118,647.36 = 36,965.78/x
  3. Step 3: Cross multiply
    79,097.25x = 118,647.36 × 36,965.78
  4. Step 4: Simplify right side
    79,097.25x = 4,385,891,614.10
  5. Step 5: Solve for x
    x = 4,385,891,614.10/79,097.25
  6. Step 6: Final answer
    x = 55,449.36

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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.