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Finding the Fourth Proportional to 84,791.81, 116,979.40 and 50,801.73

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Solution

The fourth proportional to 84,791.81, 116,979.40 and 50,801.73 is: 70,086.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,791.81 : 116,979.40 = 50,801.73 : x
  2. Step 2: Convert to fraction form
    84,791.81/116,979.40 = 50,801.73/x
  3. Step 3: Cross multiply
    84,791.81x = 116,979.40 × 50,801.73
  4. Step 4: Simplify right side
    84,791.81x = 5,942,755,894.36
  5. Step 5: Solve for x
    x = 5,942,755,894.36/84,791.81
  6. Step 6: Final answer
    x = 70,086.44

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1.5x scale

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.