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Finding the Fourth Proportional to 125,912.73, 173,759.59 and 68,552.05

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Solution

The fourth proportional to 125,912.73, 173,759.59 and 68,552.05 is: 94,601.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,912.73 : 173,759.59 = 68,552.05 : x
  2. Step 2: Convert to fraction form
    125,912.73/173,759.59 = 68,552.05/x
  3. Step 3: Cross multiply
    125,912.73x = 173,759.59 × 68,552.05
  4. Step 4: Simplify right side
    125,912.73x = 11,911,576,101.66
  5. Step 5: Solve for x
    x = 11,911,576,101.66/125,912.73
  6. Step 6: Final answer
    x = 94,601.85

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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.