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Finding the Fourth Proportional to 67,891.68, 101,790.54 and 29,922.39

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Solution

The fourth proportional to 67,891.68, 101,790.54 and 29,922.39 is: 44,862.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,891.68 : 101,790.54 = 29,922.39 : x
  2. Step 2: Convert to fraction form
    67,891.68/101,790.54 = 29,922.39/x
  3. Step 3: Cross multiply
    67,891.68x = 101,790.54 × 29,922.39
  4. Step 4: Simplify right side
    67,891.68x = 3,045,816,236.19
  5. Step 5: Solve for x
    x = 3,045,816,236.19/67,891.68
  6. Step 6: Final answer
    x = 44,862.88

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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.