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Finding the Fourth Proportional to 84,662.62, 116,839.68 and 46,936.87

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Solution

The fourth proportional to 84,662.62, 116,839.68 and 46,936.87 is: 64,775.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,662.62 : 116,839.68 = 46,936.87 : x
  2. Step 2: Convert to fraction form
    84,662.62/116,839.68 = 46,936.87/x
  3. Step 3: Cross multiply
    84,662.62x = 116,839.68 × 46,936.87
  4. Step 4: Simplify right side
    84,662.62x = 5,484,088,871.00
  5. Step 5: Solve for x
    x = 5,484,088,871.00/84,662.62
  6. Step 6: Final answer
    x = 64,775.80

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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.