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Finding the Fourth Proportional to 68,779.80, 94,936.32 and 44,910.05

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Solution

The fourth proportional to 68,779.80, 94,936.32 and 44,910.05 is: 61,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,779.80 : 94,936.32 = 44,910.05 : x
  2. Step 2: Convert to fraction form
    68,779.80/94,936.32 = 44,910.05/x
  3. Step 3: Cross multiply
    68,779.80x = 94,936.32 × 44,910.05
  4. Step 4: Simplify right side
    68,779.80x = 4,263,594,403.33
  5. Step 5: Solve for x
    x = 4,263,594,403.33/68,779.80
  6. Step 6: Final answer
    x = 61,989.05

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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.