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Finding the Fourth Proportional to 125,894.12, 173,738.12 and 68,535.54

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Solution

The fourth proportional to 125,894.12, 173,738.12 and 68,535.54 is: 94,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,894.12 : 173,738.12 = 68,535.54 : x
  2. Step 2: Convert to fraction form
    125,894.12/173,738.12 = 68,535.54/x
  3. Step 3: Cross multiply
    125,894.12x = 173,738.12 × 68,535.54
  4. Step 4: Simplify right side
    125,894.12x = 11,907,235,872.78
  5. Step 5: Solve for x
    x = 11,907,235,872.78/125,894.12
  6. Step 6: Final answer
    x = 94,581.35

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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.