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Finding the Fourth Proportional to 101,753.98, 152,722.44 and 54,409.54

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Solution

The fourth proportional to 101,753.98, 152,722.44 and 54,409.54 is: 81,663.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,753.98 : 152,722.44 = 54,409.54 : x
  2. Step 2: Convert to fraction form
    101,753.98/152,722.44 = 54,409.54/x
  3. Step 3: Cross multiply
    101,753.98x = 152,722.44 × 54,409.54
  4. Step 4: Simplify right side
    101,753.98x = 8,309,557,708.08
  5. Step 5: Solve for x
    x = 8,309,557,708.08/101,753.98
  6. Step 6: Final answer
    x = 81,663.22

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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.