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Finding the Fourth Proportional to 214,982.67, 322,512.78 and 88,553.90

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Solution

The fourth proportional to 214,982.67, 322,512.78 and 88,553.90 is: 132,846.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,982.67 : 322,512.78 = 88,553.90 : x
  2. Step 2: Convert to fraction form
    214,982.67/322,512.78 = 88,553.90/x
  3. Step 3: Cross multiply
    214,982.67x = 322,512.78 × 88,553.90
  4. Step 4: Simplify right side
    214,982.67x = 28,559,762,856.28
  5. Step 5: Solve for x
    x = 28,559,762,856.28/214,982.67
  6. Step 6: Final answer
    x = 132,846.81

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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.