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Finding the Fourth Proportional to 104,082.70, 156,133.85 and 29,202.56

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Solution

The fourth proportional to 104,082.70, 156,133.85 and 29,202.56 is: 43,806.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,082.70 : 156,133.85 = 29,202.56 : x
  2. Step 2: Convert to fraction form
    104,082.70/156,133.85 = 29,202.56/x
  3. Step 3: Cross multiply
    104,082.70x = 156,133.85 × 29,202.56
  4. Step 4: Simplify right side
    104,082.70x = 4,559,508,122.66
  5. Step 5: Solve for x
    x = 4,559,508,122.66/104,082.70
  6. Step 6: Final answer
    x = 43,806.59

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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.