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Finding the Fourth Proportional to 79,156.44, 118,759.50 and 34,820.46

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Solution

The fourth proportional to 79,156.44, 118,759.50 and 34,820.46 is: 52,241.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,156.44 : 118,759.50 = 34,820.46 : x
  2. Step 2: Convert to fraction form
    79,156.44/118,759.50 = 34,820.46/x
  3. Step 3: Cross multiply
    79,156.44x = 118,759.50 × 34,820.46
  4. Step 4: Simplify right side
    79,156.44x = 4,135,260,419.37
  5. Step 5: Solve for x
    x = 4,135,260,419.37/79,156.44
  6. Step 6: Final answer
    x = 52,241.62

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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.