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Finding the Fourth Proportional to 214,476.75, 321,737.00 and 74,234.97

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Solution

The fourth proportional to 214,476.75, 321,737.00 and 74,234.97 is: 111,360.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,476.75 : 321,737.00 = 74,234.97 : x
  2. Step 2: Convert to fraction form
    214,476.75/321,737.00 = 74,234.97/x
  3. Step 3: Cross multiply
    214,476.75x = 321,737.00 × 74,234.97
  4. Step 4: Simplify right side
    214,476.75x = 23,884,136,171.72
  5. Step 5: Solve for x
    x = 23,884,136,171.72/214,476.75
  6. Step 6: Final answer
    x = 111,360.02

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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.