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Finding the Fourth Proportional to 167,918.70, 252,072.45 and 101,433.90

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Solution

The fourth proportional to 167,918.70, 252,072.45 and 101,433.90 is: 152,268.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,918.70 : 252,072.45 = 101,433.90 : x
  2. Step 2: Convert to fraction form
    167,918.70/252,072.45 = 101,433.90/x
  3. Step 3: Cross multiply
    167,918.70x = 252,072.45 × 101,433.90
  4. Step 4: Simplify right side
    167,918.70x = 25,568,691,686.06
  5. Step 5: Solve for x
    x = 25,568,691,686.06/167,918.70
  6. Step 6: Final answer
    x = 152,268.28

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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.