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Finding the Fourth Proportional to 104,504.99, 156,708.10 and 40,493.12

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Solution

The fourth proportional to 104,504.99, 156,708.10 and 40,493.12 is: 60,720.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,504.99 : 156,708.10 = 40,493.12 : x
  2. Step 2: Convert to fraction form
    104,504.99/156,708.10 = 40,493.12/x
  3. Step 3: Cross multiply
    104,504.99x = 156,708.10 × 40,493.12
  4. Step 4: Simplify right side
    104,504.99x = 6,345,599,898.27
  5. Step 5: Solve for x
    x = 6,345,599,898.27/104,504.99
  6. Step 6: Final answer
    x = 60,720.54

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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.