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Finding the Fourth Proportional to 332,812.80, 499,246.74 and 108,084.38

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Solution

The fourth proportional to 332,812.80, 499,246.74 and 108,084.38 is: 162,135.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,812.80 : 499,246.74 = 108,084.38 : x
  2. Step 2: Convert to fraction form
    332,812.80/499,246.74 = 108,084.38/x
  3. Step 3: Cross multiply
    332,812.80x = 499,246.74 × 108,084.38
  4. Step 4: Simplify right side
    332,812.80x = 53,960,771,863.69
  5. Step 5: Solve for x
    x = 53,960,771,863.69/332,812.80
  6. Step 6: Final answer
    x = 162,135.51

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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.