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Finding the Fourth Proportional to 71,768.44, 99,089.22 and 44,921.80

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Solution

The fourth proportional to 71,768.44, 99,089.22 and 44,921.80 is: 62,022.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,768.44 : 99,089.22 = 44,921.80 : x
  2. Step 2: Convert to fraction form
    71,768.44/99,089.22 = 44,921.80/x
  3. Step 3: Cross multiply
    71,768.44x = 99,089.22 × 44,921.80
  4. Step 4: Simplify right side
    71,768.44x = 4,451,266,123.00
  5. Step 5: Solve for x
    x = 4,451,266,123.00/71,768.44
  6. Step 6: Final answer
    x = 62,022.61

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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.