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Finding the Fourth Proportional to 104,079.89, 156,120.24 and 25,193.99

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Solution

The fourth proportional to 104,079.89, 156,120.24 and 25,193.99 is: 37,791.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,079.89 : 156,120.24 = 25,193.99 : x
  2. Step 2: Convert to fraction form
    104,079.89/156,120.24 = 25,193.99/x
  3. Step 3: Cross multiply
    104,079.89x = 156,120.24 × 25,193.99
  4. Step 4: Simplify right side
    104,079.89x = 3,933,290,984.76
  5. Step 5: Solve for x
    x = 3,933,290,984.76/104,079.89
  6. Step 6: Final answer
    x = 37,791.08

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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.