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Finding the Fourth Proportional to 104,383.70, 156,575.55 and 45,334.70

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Solution

The fourth proportional to 104,383.70, 156,575.55 and 45,334.70 is: 68,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,383.70 : 156,575.55 = 45,334.70 : x
  2. Step 2: Convert to fraction form
    104,383.70/156,575.55 = 45,334.70/x
  3. Step 3: Cross multiply
    104,383.70x = 156,575.55 × 45,334.70
  4. Step 4: Simplify right side
    104,383.70x = 7,098,305,586.59
  5. Step 5: Solve for x
    x = 7,098,305,586.59/104,383.70
  6. Step 6: Final answer
    x = 68,002.05

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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.