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Finding the Fourth Proportional to 101,297.98, 151,991.52 and 53,901.91

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Solution

The fourth proportional to 101,297.98, 151,991.52 and 53,901.91 is: 80,876.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,297.98 : 151,991.52 = 53,901.91 : x
  2. Step 2: Convert to fraction form
    101,297.98/151,991.52 = 53,901.91/x
  3. Step 3: Cross multiply
    101,297.98x = 151,991.52 × 53,901.91
  4. Step 4: Simplify right side
    101,297.98x = 8,192,633,231.80
  5. Step 5: Solve for x
    x = 8,192,633,231.80/101,297.98
  6. Step 6: Final answer
    x = 80,876.57

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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.