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Finding the Fourth Proportional to 79,108.20, 118,623.90 and 44,010.60

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Solution

The fourth proportional to 79,108.20, 118,623.90 and 44,010.60 is: 65,994.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,108.20 : 118,623.90 = 44,010.60 : x
  2. Step 2: Convert to fraction form
    79,108.20/118,623.90 = 44,010.60/x
  3. Step 3: Cross multiply
    79,108.20x = 118,623.90 × 44,010.60
  4. Step 4: Simplify right side
    79,108.20x = 5,220,709,013.34
  5. Step 5: Solve for x
    x = 5,220,709,013.34/79,108.20
  6. Step 6: Final answer
    x = 65,994.54

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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.