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Finding the Fourth Proportional to 101,208.68, 151,890.46 and 45,843.56

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Solution

The fourth proportional to 101,208.68, 151,890.46 and 45,843.56 is: 68,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,208.68 : 151,890.46 = 45,843.56 : x
  2. Step 2: Convert to fraction form
    101,208.68/151,890.46 = 45,843.56/x
  3. Step 3: Cross multiply
    101,208.68x = 151,890.46 × 45,843.56
  4. Step 4: Simplify right side
    101,208.68x = 6,963,199,416.44
  5. Step 5: Solve for x
    x = 6,963,199,416.44/101,208.68
  6. Step 6: Final answer
    x = 68,800.42

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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.