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Finding the Fourth Proportional to 84,393.73, 116,464.13 and 46,668.61

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Solution

The fourth proportional to 84,393.73, 116,464.13 and 46,668.61 is: 64,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,393.73 : 116,464.13 = 46,668.61 : x
  2. Step 2: Convert to fraction form
    84,393.73/116,464.13 = 46,668.61/x
  3. Step 3: Cross multiply
    84,393.73x = 116,464.13 × 46,668.61
  4. Step 4: Simplify right side
    84,393.73x = 5,435,218,828.62
  5. Step 5: Solve for x
    x = 5,435,218,828.62/84,393.73
  6. Step 6: Final answer
    x = 64,403.11

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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.