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Finding the Fourth Proportional to 167,791.86, 251,512.83 and 68,020.92

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Solution

The fourth proportional to 167,791.86, 251,512.83 and 68,020.92 is: 101,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,791.86 : 251,512.83 = 68,020.92 : x
  2. Step 2: Convert to fraction form
    167,791.86/251,512.83 = 68,020.92/x
  3. Step 3: Cross multiply
    167,791.86x = 251,512.83 × 68,020.92
  4. Step 4: Simplify right side
    167,791.86x = 17,108,134,088.40
  5. Step 5: Solve for x
    x = 17,108,134,088.40/167,791.86
  6. Step 6: Final answer
    x = 101,960.45

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1.5x scale

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.