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Finding the Fourth Proportional to 67,379.52, 101,068.80 and 32,212.80

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Solution

The fourth proportional to 67,379.52, 101,068.80 and 32,212.80 is: 48,318.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,379.52 : 101,068.80 = 32,212.80 : x
  2. Step 2: Convert to fraction form
    67,379.52/101,068.80 = 32,212.80/x
  3. Step 3: Cross multiply
    67,379.52x = 101,068.80 × 32,212.80
  4. Step 4: Simplify right side
    67,379.52x = 3,255,709,040.64
  5. Step 5: Solve for x
    x = 3,255,709,040.64/67,379.52
  6. Step 6: Final answer
    x = 48,318.97

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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.