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Finding the Fourth Proportional to 217,856.01, 327,063.86 and 167,967.79

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Solution

The fourth proportional to 217,856.01, 327,063.86 and 167,967.79 is: 252,167.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,856.01 : 327,063.86 = 167,967.79 : x
  2. Step 2: Convert to fraction form
    217,856.01/327,063.86 = 167,967.79/x
  3. Step 3: Cross multiply
    217,856.01x = 327,063.86 × 167,967.79
  4. Step 4: Simplify right side
    217,856.01x = 54,936,194,172.99
  5. Step 5: Solve for x
    x = 54,936,194,172.99/217,856.01
  6. Step 6: Final answer
    x = 252,167.45

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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.