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Finding the Fourth Proportional to 269,160.70, 371,458.31 and 148,301.96

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Solution

The fourth proportional to 269,160.70, 371,458.31 and 148,301.96 is: 204,665.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,160.70 : 371,458.31 = 148,301.96 : x
  2. Step 2: Convert to fraction form
    269,160.70/371,458.31 = 148,301.96/x
  3. Step 3: Cross multiply
    269,160.70x = 371,458.31 × 148,301.96
  4. Step 4: Simplify right side
    269,160.70x = 55,087,993,616.03
  5. Step 5: Solve for x
    x = 55,087,993,616.03/269,160.70
  6. Step 6: Final answer
    x = 204,665.81

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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.