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Finding the Fourth Proportional to 79,445.27, 109,635.38 and 43,636.11

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Solution

The fourth proportional to 79,445.27, 109,635.38 and 43,636.11 is: 60,218.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,445.27 : 109,635.38 = 43,636.11 : x
  2. Step 2: Convert to fraction form
    79,445.27/109,635.38 = 43,636.11/x
  3. Step 3: Cross multiply
    79,445.27x = 109,635.38 × 43,636.11
  4. Step 4: Simplify right side
    79,445.27x = 4,784,061,283.39
  5. Step 5: Solve for x
    x = 4,784,061,283.39/79,445.27
  6. Step 6: Final answer
    x = 60,218.33

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.