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Finding the Fourth Proportional to 236,376.70, 354,630.66 and 131,269.48

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Solution

The fourth proportional to 236,376.70, 354,630.66 and 131,269.48 is: 196,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,376.70 : 354,630.66 = 131,269.48 : x
  2. Step 2: Convert to fraction form
    236,376.70/354,630.66 = 131,269.48/x
  3. Step 3: Cross multiply
    236,376.70x = 354,630.66 × 131,269.48
  4. Step 4: Simplify right side
    236,376.70x = 46,552,180,951.42
  5. Step 5: Solve for x
    x = 46,552,180,951.42/236,376.70
  6. Step 6: Final answer
    x = 196,940.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.