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Finding the Fourth Proportional to 104,194, 156,373 and 53,590.96

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Solution

The fourth proportional to 104,194, 156,373 and 53,590.96 is: 80,428.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,194 : 156,373 = 53,590.96 : x
  2. Step 2: Convert to fraction form
    104,194/156,373 = 53,590.96/x
  3. Step 3: Cross multiply
    104,194x = 156,373 × 53,590.96
  4. Step 4: Simplify right side
    104,194x = 8,380,179,188.08
  5. Step 5: Solve for x
    x = 8,380,179,188.08/104,194
  6. Step 6: Final answer
    x = 80,428.62

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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.