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Finding the Fourth Proportional to 79,015.80, 118,466.10 and 32,244.60

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Solution

The fourth proportional to 79,015.80, 118,466.10 and 32,244.60 is: 48,343.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015.80 : 118,466.10 = 32,244.60 : x
  2. Step 2: Convert to fraction form
    79,015.80/118,466.10 = 32,244.60/x
  3. Step 3: Cross multiply
    79,015.80x = 118,466.10 × 32,244.60
  4. Step 4: Simplify right side
    79,015.80x = 3,819,892,008.06
  5. Step 5: Solve for x
    x = 3,819,892,008.06/79,015.80
  6. Step 6: Final answer
    x = 48,343.39

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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.