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Finding the Fourth Proportional to 198,376.52, 297,564.78 and 50,632.52

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Solution

The fourth proportional to 198,376.52, 297,564.78 and 50,632.52 is: 75,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,376.52 : 297,564.78 = 50,632.52 : x
  2. Step 2: Convert to fraction form
    198,376.52/297,564.78 = 50,632.52/x
  3. Step 3: Cross multiply
    198,376.52x = 297,564.78 × 50,632.52
  4. Step 4: Simplify right side
    198,376.52x = 15,066,454,674.65
  5. Step 5: Solve for x
    x = 15,066,454,674.65/198,376.52
  6. Step 6: Final answer
    x = 75,948.78

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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.