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Finding the Fourth Proportional to 104,505.56, 156,737.36 and 51,174.56

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Solution

The fourth proportional to 104,505.56, 156,737.36 and 51,174.56 is: 76,751.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,505.56 : 156,737.36 = 51,174.56 : x
  2. Step 2: Convert to fraction form
    104,505.56/156,737.36 = 51,174.56/x
  3. Step 3: Cross multiply
    104,505.56x = 156,737.36 × 51,174.56
  4. Step 4: Simplify right side
    104,505.56x = 8,020,965,433.56
  5. Step 5: Solve for x
    x = 8,020,965,433.56/104,505.56
  6. Step 6: Final answer
    x = 76,751.57

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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.