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Finding the Fourth Proportional to 67,200, 100,553.94 and 63,595.14

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Solution

The fourth proportional to 67,200, 100,553.94 and 63,595.14 is: 95,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,200 : 100,553.94 = 63,595.14 : x
  2. Step 2: Convert to fraction form
    67,200/100,553.94 = 63,595.14/x
  3. Step 3: Cross multiply
    67,200x = 100,553.94 × 63,595.14
  4. Step 4: Simplify right side
    67,200x = 6,394,741,891.85
  5. Step 5: Solve for x
    x = 6,394,741,891.85/67,200
  6. Step 6: Final answer
    x = 95,159.85

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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.