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Finding the Fourth Proportional to 303,042.91, 418,217.99 and 167,076.60

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Solution

The fourth proportional to 303,042.91, 418,217.99 and 167,076.60 is: 230,576.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,042.91 : 418,217.99 = 167,076.60 : x
  2. Step 2: Convert to fraction form
    303,042.91/418,217.99 = 167,076.60/x
  3. Step 3: Cross multiply
    303,042.91x = 418,217.99 × 167,076.60
  4. Step 4: Simplify right side
    303,042.91x = 69,874,439,828.03
  5. Step 5: Solve for x
    x = 69,874,439,828.03/303,042.91
  6. Step 6: Final answer
    x = 230,576.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.