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Finding the Fourth Proportional to 79,008.60, 118,469.70 and 32,208.60

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Solution

The fourth proportional to 79,008.60, 118,469.70 and 32,208.60 is: 48,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,008.60 : 118,469.70 = 32,208.60 : x
  2. Step 2: Convert to fraction form
    79,008.60/118,469.70 = 32,208.60/x
  3. Step 3: Cross multiply
    79,008.60x = 118,469.70 × 32,208.60
  4. Step 4: Simplify right side
    79,008.60x = 3,815,743,179.42
  5. Step 5: Solve for x
    x = 3,815,743,179.42/79,008.60
  6. Step 6: Final answer
    x = 48,295.29

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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.