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Finding the Fourth Proportional to 79,745.49, 110,044.70 and 43,934.78

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Solution

The fourth proportional to 79,745.49, 110,044.70 and 43,934.78 is: 60,627.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,745.49 : 110,044.70 = 43,934.78 : x
  2. Step 2: Convert to fraction form
    79,745.49/110,044.70 = 43,934.78/x
  3. Step 3: Cross multiply
    79,745.49x = 110,044.70 × 43,934.78
  4. Step 4: Simplify right side
    79,745.49x = 4,834,789,684.67
  5. Step 5: Solve for x
    x = 4,834,789,684.67/79,745.49
  6. Step 6: Final answer
    x = 60,627.75

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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.