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Finding the Fourth Proportional to 48,936.40, 73,404.60 and 44,174.80

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Solution

The fourth proportional to 48,936.40, 73,404.60 and 44,174.80 is: 66,262.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,936.40 : 73,404.60 = 44,174.80 : x
  2. Step 2: Convert to fraction form
    48,936.40/73,404.60 = 44,174.80/x
  3. Step 3: Cross multiply
    48,936.40x = 73,404.60 × 44,174.80
  4. Step 4: Simplify right side
    48,936.40x = 3,242,633,524.08
  5. Step 5: Solve for x
    x = 3,242,633,524.08/48,936.40
  6. Step 6: Final answer
    x = 66,262.20

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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.