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Finding the Fourth Proportional to 74,704.50, 103,092.21 and 44,896.50

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Solution

The fourth proportional to 74,704.50, 103,092.21 and 44,896.50 is: 61,957.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,704.50 : 103,092.21 = 44,896.50 : x
  2. Step 2: Convert to fraction form
    74,704.50/103,092.21 = 44,896.50/x
  3. Step 3: Cross multiply
    74,704.50x = 103,092.21 × 44,896.50
  4. Step 4: Simplify right side
    74,704.50x = 4,628,479,406.27
  5. Step 5: Solve for x
    x = 4,628,479,406.27/74,704.50
  6. Step 6: Final answer
    x = 61,957.17

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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.