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Finding the Fourth Proportional to 116,796.28, 161,179.02 and 66,495.28

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Solution

The fourth proportional to 116,796.28, 161,179.02 and 66,495.28 is: 91,763.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,796.28 : 161,179.02 = 66,495.28 : x
  2. Step 2: Convert to fraction form
    116,796.28/161,179.02 = 66,495.28/x
  3. Step 3: Cross multiply
    116,796.28x = 161,179.02 × 66,495.28
  4. Step 4: Simplify right side
    116,796.28x = 10,717,644,065.03
  5. Step 5: Solve for x
    x = 10,717,644,065.03/116,796.28
  6. Step 6: Final answer
    x = 91,763.57

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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.