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Finding the Fourth Proportional to 179,791.83, 269,781.93 and 67,549.50

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Solution

The fourth proportional to 179,791.83, 269,781.93 and 67,549.50 is: 101,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,791.83 : 269,781.93 = 67,549.50 : x
  2. Step 2: Convert to fraction form
    179,791.83/269,781.93 = 67,549.50/x
  3. Step 3: Cross multiply
    179,791.83x = 269,781.93 × 67,549.50
  4. Step 4: Simplify right side
    179,791.83x = 18,223,634,480.54
  5. Step 5: Solve for x
    x = 18,223,634,480.54/179,791.83
  6. Step 6: Final answer
    x = 101,359.64

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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.