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Finding the Fourth Proportional to 122,605.90, 183,911.15 and 33,861.76

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Solution

The fourth proportional to 122,605.90, 183,911.15 and 33,861.76 is: 50,793.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,605.90 : 183,911.15 = 33,861.76 : x
  2. Step 2: Convert to fraction form
    122,605.90/183,911.15 = 33,861.76/x
  3. Step 3: Cross multiply
    122,605.90x = 183,911.15 × 33,861.76
  4. Step 4: Simplify right side
    122,605.90x = 6,227,554,847.50
  5. Step 5: Solve for x
    x = 6,227,554,847.50/122,605.90
  6. Step 6: Final answer
    x = 50,793.27

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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.