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Finding the Fourth Proportional to 104,083.70, 156,087.15 and 33,965.30

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Solution

The fourth proportional to 104,083.70, 156,087.15 and 33,965.30 is: 50,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.70 : 156,087.15 = 33,965.30 : x
  2. Step 2: Convert to fraction form
    104,083.70/156,087.15 = 33,965.30/x
  3. Step 3: Cross multiply
    104,083.70x = 156,087.15 × 33,965.30
  4. Step 4: Simplify right side
    104,083.70x = 5,301,546,875.90
  5. Step 5: Solve for x
    x = 5,301,546,875.90/104,083.70
  6. Step 6: Final answer
    x = 50,935.42

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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.