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Finding the Fourth Proportional to 308,135.97, 425,068.43 and 195,024.33

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Solution

The fourth proportional to 308,135.97, 425,068.43 and 195,024.33 is: 269,032.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,135.97 : 425,068.43 = 195,024.33 : x
  2. Step 2: Convert to fraction form
    308,135.97/425,068.43 = 195,024.33/x
  3. Step 3: Cross multiply
    308,135.97x = 425,068.43 × 195,024.33
  4. Step 4: Simplify right side
    308,135.97x = 82,898,684,789.78
  5. Step 5: Solve for x
    x = 82,898,684,789.78/308,135.97
  6. Step 6: Final answer
    x = 269,032.81

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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.