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Finding the Fourth Proportional to 104,517.36, 156,795.48 and 34,401.60

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Solution

The fourth proportional to 104,517.36, 156,795.48 and 34,401.60 is: 51,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.36 : 156,795.48 = 34,401.60 : x
  2. Step 2: Convert to fraction form
    104,517.36/156,795.48 = 34,401.60/x
  3. Step 3: Cross multiply
    104,517.36x = 156,795.48 × 34,401.60
  4. Step 4: Simplify right side
    104,517.36x = 5,394,015,384.77
  5. Step 5: Solve for x
    x = 5,394,015,384.77/104,517.36
  6. Step 6: Final answer
    x = 51,608.80

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1.5x scale

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.