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Finding the Fourth Proportional to 79,672.52, 119,511.63 and 27,075.17

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Solution

The fourth proportional to 79,672.52, 119,511.63 and 27,075.17 is: 40,613.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,672.52 : 119,511.63 = 27,075.17 : x
  2. Step 2: Convert to fraction form
    79,672.52/119,511.63 = 27,075.17/x
  3. Step 3: Cross multiply
    79,672.52x = 119,511.63 × 27,075.17
  4. Step 4: Simplify right side
    79,672.52x = 3,235,797,101.67
  5. Step 5: Solve for x
    x = 3,235,797,101.67/79,672.52
  6. Step 6: Final answer
    x = 40,613.72

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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.