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Finding the Fourth Proportional to 218,061, 327,091.50 and 58,137.44

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Solution

The fourth proportional to 218,061, 327,091.50 and 58,137.44 is: 87,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,061 : 327,091.50 = 58,137.44 : x
  2. Step 2: Convert to fraction form
    218,061/327,091.50 = 58,137.44/x
  3. Step 3: Cross multiply
    218,061x = 327,091.50 × 58,137.44
  4. Step 4: Simplify right side
    218,061x = 19,016,260,820.30
  5. Step 5: Solve for x
    x = 19,016,260,820.30/218,061
  6. Step 6: Final answer
    x = 87,206.15

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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.