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Finding the Fourth Proportional to 101,231.37, 151,865.48 and 50,656.79

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Solution

The fourth proportional to 101,231.37, 151,865.48 and 50,656.79 is: 75,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,231.37 : 151,865.48 = 50,656.79 : x
  2. Step 2: Convert to fraction form
    101,231.37/151,865.48 = 50,656.79/x
  3. Step 3: Cross multiply
    101,231.37x = 151,865.48 × 50,656.79
  4. Step 4: Simplify right side
    101,231.37x = 7,693,018,234.91
  5. Step 5: Solve for x
    x = 7,693,018,234.91/101,231.37
  6. Step 6: Final answer
    x = 75,994.41

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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.