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Finding the Fourth Proportional to 79,677.77, 119,528.90 and 27,074.94

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Solution

The fourth proportional to 79,677.77, 119,528.90 and 27,074.94 is: 40,616.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,677.77 : 119,528.90 = 27,074.94 : x
  2. Step 2: Convert to fraction form
    79,677.77/119,528.90 = 27,074.94/x
  3. Step 3: Cross multiply
    79,677.77x = 119,528.90 × 27,074.94
  4. Step 4: Simplify right side
    79,677.77x = 3,236,237,660.39
  5. Step 5: Solve for x
    x = 3,236,237,660.39/79,677.77
  6. Step 6: Final answer
    x = 40,616.57

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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.