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Finding the Fourth Proportional to 151,994.50, 227,991.78 and 41,186.50

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Solution

The fourth proportional to 151,994.50, 227,991.78 and 41,186.50 is: 61,779.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,994.50 : 227,991.78 = 41,186.50 : x
  2. Step 2: Convert to fraction form
    151,994.50/227,991.78 = 41,186.50/x
  3. Step 3: Cross multiply
    151,994.50x = 227,991.78 × 41,186.50
  4. Step 4: Simplify right side
    151,994.50x = 9,390,183,446.97
  5. Step 5: Solve for x
    x = 9,390,183,446.97/151,994.50
  6. Step 6: Final answer
    x = 61,779.76

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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.