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Finding the Fourth Proportional to 100,753.88, 151,103.46 and 53,304.44

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Solution

The fourth proportional to 100,753.88, 151,103.46 and 53,304.44 is: 79,942.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,753.88 : 151,103.46 = 53,304.44 : x
  2. Step 2: Convert to fraction form
    100,753.88/151,103.46 = 53,304.44/x
  3. Step 3: Cross multiply
    100,753.88x = 151,103.46 × 53,304.44
  4. Step 4: Simplify right side
    100,753.88x = 8,054,485,317.36
  5. Step 5: Solve for x
    x = 8,054,485,317.36/100,753.88
  6. Step 6: Final answer
    x = 79,942.19

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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.