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Finding the Fourth Proportional to 104,626.70, 156,940.05 and 34,502.30

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Solution

The fourth proportional to 104,626.70, 156,940.05 and 34,502.30 is: 51,753.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,626.70 : 156,940.05 = 34,502.30 : x
  2. Step 2: Convert to fraction form
    104,626.70/156,940.05 = 34,502.30/x
  3. Step 3: Cross multiply
    104,626.70x = 156,940.05 × 34,502.30
  4. Step 4: Simplify right side
    104,626.70x = 5,414,792,687.12
  5. Step 5: Solve for x
    x = 5,414,792,687.12/104,626.70
  6. Step 6: Final answer
    x = 51,753.45

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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.