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Finding the Fourth Proportional to 104,648.10, 156,972.15 and 33,570.60

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Solution

The fourth proportional to 104,648.10, 156,972.15 and 33,570.60 is: 50,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,648.10 : 156,972.15 = 33,570.60 : x
  2. Step 2: Convert to fraction form
    104,648.10/156,972.15 = 33,570.60/x
  3. Step 3: Cross multiply
    104,648.10x = 156,972.15 × 33,570.60
  4. Step 4: Simplify right side
    104,648.10x = 5,269,649,258.79
  5. Step 5: Solve for x
    x = 5,269,649,258.79/104,648.10
  6. Step 6: Final answer
    x = 50,355.90

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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.