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Finding the Fourth Proportional to 104,380.44, 156,594.54 and 45,225.96

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Solution

The fourth proportional to 104,380.44, 156,594.54 and 45,225.96 is: 67,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.44 : 156,594.54 = 45,225.96 : x
  2. Step 2: Convert to fraction form
    104,380.44/156,594.54 = 45,225.96/x
  3. Step 3: Cross multiply
    104,380.44x = 156,594.54 × 45,225.96
  4. Step 4: Simplify right side
    104,380.44x = 7,082,138,402.26
  5. Step 5: Solve for x
    x = 7,082,138,402.26/104,380.44
  6. Step 6: Final answer
    x = 67,849.29

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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.