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Finding the Fourth Proportional to 168,624.84, 251,057.85 and 166,269.90

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Solution

The fourth proportional to 168,624.84, 251,057.85 and 166,269.90 is: 247,551.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,624.84 : 251,057.85 = 166,269.90 : x
  2. Step 2: Convert to fraction form
    168,624.84/251,057.85 = 166,269.90/x
  3. Step 3: Cross multiply
    168,624.84x = 251,057.85 × 166,269.90
  4. Step 4: Simplify right side
    168,624.84x = 41,743,363,613.72
  5. Step 5: Solve for x
    x = 41,743,363,613.72/168,624.84
  6. Step 6: Final answer
    x = 247,551.69

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.