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Finding the Fourth Proportional to 547,199.87, 820,767.24 and 168,124.25

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Solution

The fourth proportional to 547,199.87, 820,767.24 and 168,124.25 is: 252,176.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,199.87 : 820,767.24 = 168,124.25 : x
  2. Step 2: Convert to fraction form
    547,199.87/820,767.24 = 168,124.25/x
  3. Step 3: Cross multiply
    547,199.87x = 820,767.24 × 168,124.25
  4. Step 4: Simplify right side
    547,199.87x = 137,990,872,545.73
  5. Step 5: Solve for x
    x = 137,990,872,545.73/547,199.87
  6. Step 6: Final answer
    x = 252,176.36

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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.