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Finding the Fourth Proportional to 67,446.80, 101,089.20 and 27,983.60

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Solution

The fourth proportional to 67,446.80, 101,089.20 and 27,983.60 is: 41,941.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,446.80 : 101,089.20 = 27,983.60 : x
  2. Step 2: Convert to fraction form
    67,446.80/101,089.20 = 27,983.60/x
  3. Step 3: Cross multiply
    67,446.80x = 101,089.20 × 27,983.60
  4. Step 4: Simplify right side
    67,446.80x = 2,828,839,737.12
  5. Step 5: Solve for x
    x = 2,828,839,737.12/67,446.80
  6. Step 6: Final answer
    x = 41,941.79

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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.