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Finding the Fourth Proportional to 79,757.91, 119,677.77 and 54,818.01

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Solution

The fourth proportional to 79,757.91, 119,677.77 and 54,818.01 is: 82,255.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757.91 : 119,677.77 = 54,818.01 : x
  2. Step 2: Convert to fraction form
    79,757.91/119,677.77 = 54,818.01/x
  3. Step 3: Cross multiply
    79,757.91x = 119,677.77 × 54,818.01
  4. Step 4: Simplify right side
    79,757.91x = 6,560,497,192.64
  5. Step 5: Solve for x
    x = 6,560,497,192.64/79,757.91
  6. Step 6: Final answer
    x = 82,255.13

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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.