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Finding the Fourth Proportional to 84,655.33, 116,800.72 and 66,694.59

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Solution

The fourth proportional to 84,655.33, 116,800.72 and 66,694.59 is: 92,019.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,655.33 : 116,800.72 = 66,694.59 : x
  2. Step 2: Convert to fraction form
    84,655.33/116,800.72 = 66,694.59/x
  3. Step 3: Cross multiply
    84,655.33x = 116,800.72 × 66,694.59
  4. Step 4: Simplify right side
    84,655.33x = 7,789,975,965.37
  5. Step 5: Solve for x
    x = 7,789,975,965.37/84,655.33
  6. Step 6: Final answer
    x = 92,019.91

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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.