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Finding the Fourth Proportional to 82,996.97, 114,528.09 and 47,179.97

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Solution

The fourth proportional to 82,996.97, 114,528.09 and 47,179.97 is: 65,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,996.97 : 114,528.09 = 47,179.97 : x
  2. Step 2: Convert to fraction form
    82,996.97/114,528.09 = 47,179.97/x
  3. Step 3: Cross multiply
    82,996.97x = 114,528.09 × 47,179.97
  4. Step 4: Simplify right side
    82,996.97x = 5,403,431,850.36
  5. Step 5: Solve for x
    x = 5,403,431,850.36/82,996.97
  6. Step 6: Final answer
    x = 65,103.97

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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.