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Finding the Fourth Proportional to 163,149.89, 244,677.48 and 68,377.59

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Solution

The fourth proportional to 163,149.89, 244,677.48 and 68,377.59 is: 102,546.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,149.89 : 244,677.48 = 68,377.59 : x
  2. Step 2: Convert to fraction form
    163,149.89/244,677.48 = 68,377.59/x
  3. Step 3: Cross multiply
    163,149.89x = 244,677.48 × 68,377.59
  4. Step 4: Simplify right side
    163,149.89x = 16,730,456,409.67
  5. Step 5: Solve for x
    x = 16,730,456,409.67/163,149.89
  6. Step 6: Final answer
    x = 102,546.54

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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.