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Finding the Fourth Proportional to 168,217, 252,039.84 and 101,516.96

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Solution

The fourth proportional to 168,217, 252,039.84 and 101,516.96 is: 152,103.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,217 : 252,039.84 = 101,516.96 : x
  2. Step 2: Convert to fraction form
    168,217/252,039.84 = 101,516.96/x
  3. Step 3: Cross multiply
    168,217x = 252,039.84 × 101,516.96
  4. Step 4: Simplify right side
    168,217x = 25,586,318,355.69
  5. Step 5: Solve for x
    x = 25,586,318,355.69/168,217
  6. Step 6: Final answer
    x = 152,103.05

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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.