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Finding the Fourth Proportional to 80,571.70, 111,190.89 and 44,763.22

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Solution

The fourth proportional to 80,571.70, 111,190.89 and 44,763.22 is: 61,774.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,571.70 : 111,190.89 = 44,763.22 : x
  2. Step 2: Convert to fraction form
    80,571.70/111,190.89 = 44,763.22/x
  3. Step 3: Cross multiply
    80,571.70x = 111,190.89 × 44,763.22
  4. Step 4: Simplify right side
    80,571.70x = 4,977,262,271.07
  5. Step 5: Solve for x
    x = 4,977,262,271.07/80,571.70
  6. Step 6: Final answer
    x = 61,774.32

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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.