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Finding the Fourth Proportional to 67,920.03, 101,879.64 and 36,952.11

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Solution

The fourth proportional to 67,920.03, 101,879.64 and 36,952.11 is: 55,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,920.03 : 101,879.64 = 36,952.11 : x
  2. Step 2: Convert to fraction form
    67,920.03/101,879.64 = 36,952.11/x
  3. Step 3: Cross multiply
    67,920.03x = 101,879.64 × 36,952.11
  4. Step 4: Simplify right side
    67,920.03x = 3,764,667,664.04
  5. Step 5: Solve for x
    x = 3,764,667,664.04/67,920.03
  6. Step 6: Final answer
    x = 55,427.94

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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.