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Finding the Fourth Proportional to 100,833.92, 151,157.41 and 44,644.09

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Solution

The fourth proportional to 100,833.92, 151,157.41 and 44,644.09 is: 66,924.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,833.92 : 151,157.41 = 44,644.09 : x
  2. Step 2: Convert to fraction form
    100,833.92/151,157.41 = 44,644.09/x
  3. Step 3: Cross multiply
    100,833.92x = 151,157.41 × 44,644.09
  4. Step 4: Simplify right side
    100,833.92x = 6,748,285,016.21
  5. Step 5: Solve for x
    x = 6,748,285,016.21/100,833.92
  6. Step 6: Final answer
    x = 66,924.75

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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.