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Finding the Fourth Proportional to 104,353.43, 156,542.62 and 36,871.50

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Solution

The fourth proportional to 104,353.43, 156,542.62 and 36,871.50 is: 55,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,353.43 : 156,542.62 = 36,871.50 : x
  2. Step 2: Convert to fraction form
    104,353.43/156,542.62 = 36,871.50/x
  3. Step 3: Cross multiply
    104,353.43x = 156,542.62 × 36,871.50
  4. Step 4: Simplify right side
    104,353.43x = 5,771,960,896.77
  5. Step 5: Solve for x
    x = 5,771,960,896.77/104,353.43
  6. Step 6: Final answer
    x = 55,311.65

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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.