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Finding the Fourth Proportional to 104,119.72, 156,241.78 and 95,649.88

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Solution

The fourth proportional to 104,119.72, 156,241.78 and 95,649.88 is: 143,531.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,119.72 : 156,241.78 = 95,649.88 : x
  2. Step 2: Convert to fraction form
    104,119.72/156,241.78 = 95,649.88/x
  3. Step 3: Cross multiply
    104,119.72x = 156,241.78 × 95,649.88
  4. Step 4: Simplify right side
    104,119.72x = 14,944,507,507.99
  5. Step 5: Solve for x
    x = 14,944,507,507.99/104,119.72
  6. Step 6: Final answer
    x = 143,531.96

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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.