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Finding the Fourth Proportional to 251,409.96, 377,115 and 73,917.84

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Solution

The fourth proportional to 251,409.96, 377,115 and 73,917.84 is: 110,876.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,409.96 : 377,115 = 73,917.84 : x
  2. Step 2: Convert to fraction form
    251,409.96/377,115 = 73,917.84/x
  3. Step 3: Cross multiply
    251,409.96x = 377,115 × 73,917.84
  4. Step 4: Simplify right side
    251,409.96x = 27,875,526,231.60
  5. Step 5: Solve for x
    x = 27,875,526,231.60/251,409.96
  6. Step 6: Final answer
    x = 110,876.78

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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.