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Finding the Fourth Proportional to 68,629, 94,643.22 and 44,773.96

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Solution

The fourth proportional to 68,629, 94,643.22 and 44,773.96 is: 61,745.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,629 : 94,643.22 = 44,773.96 : x
  2. Step 2: Convert to fraction form
    68,629/94,643.22 = 44,773.96/x
  3. Step 3: Cross multiply
    68,629x = 94,643.22 × 44,773.96
  4. Step 4: Simplify right side
    68,629x = 4,237,551,746.55
  5. Step 5: Solve for x
    x = 4,237,551,746.55/68,629
  6. Step 6: Final answer
    x = 61,745.79

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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.