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Finding the Fourth Proportional to 76,704.09, 105,826.27 and 44,850.44

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Solution

The fourth proportional to 76,704.09, 105,826.27 and 44,850.44 is: 61,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,704.09 : 105,826.27 = 44,850.44 : x
  2. Step 2: Convert to fraction form
    76,704.09/105,826.27 = 44,850.44/x
  3. Step 3: Cross multiply
    76,704.09x = 105,826.27 × 44,850.44
  4. Step 4: Simplify right side
    76,704.09x = 4,746,354,773.06
  5. Step 5: Solve for x
    x = 4,746,354,773.06/76,704.09
  6. Step 6: Final answer
    x = 61,878.77

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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.