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Finding the Fourth Proportional to 104,630.52, 156,923.64 and 34,493.16

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Solution

The fourth proportional to 104,630.52, 156,923.64 and 34,493.16 is: 51,732.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,630.52 : 156,923.64 = 34,493.16 : x
  2. Step 2: Convert to fraction form
    104,630.52/156,923.64 = 34,493.16/x
  3. Step 3: Cross multiply
    104,630.52x = 156,923.64 × 34,493.16
  4. Step 4: Simplify right side
    104,630.52x = 5,412,792,222.30
  5. Step 5: Solve for x
    x = 5,412,792,222.30/104,630.52
  6. Step 6: Final answer
    x = 51,732.44

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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.