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Finding the Fourth Proportional to 104,192, 156,370 and 53,588.96

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Solution

The fourth proportional to 104,192, 156,370 and 53,588.96 is: 80,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192 : 156,370 = 53,588.96 : x
  2. Step 2: Convert to fraction form
    104,192/156,370 = 53,588.96/x
  3. Step 3: Cross multiply
    104,192x = 156,370 × 53,588.96
  4. Step 4: Simplify right side
    104,192x = 8,379,705,675.20
  5. Step 5: Solve for x
    x = 8,379,705,675.20/104,192
  6. Step 6: Final answer
    x = 80,425.61

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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.