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Finding the Fourth Proportional to 104,520.52, 156,747.66 and 34,383.52

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Solution

The fourth proportional to 104,520.52, 156,747.66 and 34,383.52 is: 51,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,520.52 : 156,747.66 = 34,383.52 : x
  2. Step 2: Convert to fraction form
    104,520.52/156,747.66 = 34,383.52/x
  3. Step 3: Cross multiply
    104,520.52x = 156,747.66 × 34,383.52
  4. Step 4: Simplify right side
    104,520.52x = 5,389,536,302.56
  5. Step 5: Solve for x
    x = 5,389,536,302.56/104,520.52
  6. Step 6: Final answer
    x = 51,564.38

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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.