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Finding the Fourth Proportional to 104,662.66, 156,972 and 34,525.54

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Solution

The fourth proportional to 104,662.66, 156,972 and 34,525.54 is: 51,781.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,662.66 : 156,972 = 34,525.54 : x
  2. Step 2: Convert to fraction form
    104,662.66/156,972 = 34,525.54/x
  3. Step 3: Cross multiply
    104,662.66x = 156,972 × 34,525.54
  4. Step 4: Simplify right side
    104,662.66x = 5,419,543,064.88
  5. Step 5: Solve for x
    x = 5,419,543,064.88/104,662.66
  6. Step 6: Final answer
    x = 51,781.06

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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.