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Finding the Fourth Proportional to 84,661.92, 116,834.72 and 46,424.97

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Solution

The fourth proportional to 84,661.92, 116,834.72 and 46,424.97 is: 64,067.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,661.92 : 116,834.72 = 46,424.97 : x
  2. Step 2: Convert to fraction form
    84,661.92/116,834.72 = 46,424.97/x
  3. Step 3: Cross multiply
    84,661.92x = 116,834.72 × 46,424.97
  4. Step 4: Simplify right side
    84,661.92x = 5,424,048,138.83
  5. Step 5: Solve for x
    x = 5,424,048,138.83/84,661.92
  6. Step 6: Final answer
    x = 64,067.15

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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.