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Finding the Fourth Proportional to 67,340.44, 101,012.19 and 19,954.63

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Solution

The fourth proportional to 67,340.44, 101,012.19 and 19,954.63 is: 29,932.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,340.44 : 101,012.19 = 19,954.63 : x
  2. Step 2: Convert to fraction form
    67,340.44/101,012.19 = 19,954.63/x
  3. Step 3: Cross multiply
    67,340.44x = 101,012.19 × 19,954.63
  4. Step 4: Simplify right side
    67,340.44x = 2,015,660,876.94
  5. Step 5: Solve for x
    x = 2,015,660,876.94/67,340.44
  6. Step 6: Final answer
    x = 29,932.40

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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.