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Finding the Fourth Proportional to 79,309.44, 118,938.24 and 26,704.80

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Solution

The fourth proportional to 79,309.44, 118,938.24 and 26,704.80 is: 40,048.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,309.44 : 118,938.24 = 26,704.80 : x
  2. Step 2: Convert to fraction form
    79,309.44/118,938.24 = 26,704.80/x
  3. Step 3: Cross multiply
    79,309.44x = 118,938.24 × 26,704.80
  4. Step 4: Simplify right side
    79,309.44x = 3,176,221,911.55
  5. Step 5: Solve for x
    x = 3,176,221,911.55/79,309.44
  6. Step 6: Final answer
    x = 40,048.47

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1.5x scale

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.