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Finding the Fourth Proportional to 104,493.60, 156,751.32 and 34,378.44

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Solution

The fourth proportional to 104,493.60, 156,751.32 and 34,378.44 is: 51,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,493.60 : 156,751.32 = 34,378.44 : x
  2. Step 2: Convert to fraction form
    104,493.60/156,751.32 = 34,378.44/x
  3. Step 3: Cross multiply
    104,493.60x = 156,751.32 × 34,378.44
  4. Step 4: Simplify right side
    104,493.60x = 5,388,865,849.54
  5. Step 5: Solve for x
    x = 5,388,865,849.54/104,493.60
  6. Step 6: Final answer
    x = 51,571.25

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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.