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Finding the Fourth Proportional to 79,646.44, 109,911.33 and 43,836.14

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Solution

The fourth proportional to 79,646.44, 109,911.33 and 43,836.14 is: 60,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,646.44 : 109,911.33 = 43,836.14 : x
  2. Step 2: Convert to fraction form
    79,646.44/109,911.33 = 43,836.14/x
  3. Step 3: Cross multiply
    79,646.44x = 109,911.33 × 43,836.14
  4. Step 4: Simplify right side
    79,646.44x = 4,818,088,105.99
  5. Step 5: Solve for x
    x = 4,818,088,105.99/79,646.44
  6. Step 6: Final answer
    x = 60,493.45

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Why These Related Problems?

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