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Finding the Fourth Proportional to 104,195, 156,374.50 and 53,591.96

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Solution

The fourth proportional to 104,195, 156,374.50 and 53,591.96 is: 80,430.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,195 : 156,374.50 = 53,591.96 : x
  2. Step 2: Convert to fraction form
    104,195/156,374.50 = 53,591.96/x
  3. Step 3: Cross multiply
    104,195x = 156,374.50 × 53,591.96
  4. Step 4: Simplify right side
    104,195x = 8,380,415,949.02
  5. Step 5: Solve for x
    x = 8,380,415,949.02/104,195
  6. Step 6: Final answer
    x = 80,430.12

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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.