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Finding the Fourth Proportional to 67,884.89, 101,901.83 and 53,934.59

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Solution

The fourth proportional to 67,884.89, 101,901.83 and 53,934.59 is: 80,961.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,884.89 : 101,901.83 = 53,934.59 : x
  2. Step 2: Convert to fraction form
    67,884.89/101,901.83 = 53,934.59/x
  3. Step 3: Cross multiply
    67,884.89x = 101,901.83 × 53,934.59
  4. Step 4: Simplify right side
    67,884.89x = 5,496,033,421.30
  5. Step 5: Solve for x
    x = 5,496,033,421.30/67,884.89
  6. Step 6: Final answer
    x = 80,961.07

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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.