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Finding the Fourth Proportional to 116,794.42, 161,177.52 and 66,496.66

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Solution

The fourth proportional to 116,794.42, 161,177.52 and 66,496.66 is: 91,766.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,794.42 : 161,177.52 = 66,496.66 : x
  2. Step 2: Convert to fraction form
    116,794.42/161,177.52 = 66,496.66/x
  3. Step 3: Cross multiply
    116,794.42x = 161,177.52 × 66,496.66
  4. Step 4: Simplify right side
    116,794.42x = 10,717,766,747.08
  5. Step 5: Solve for x
    x = 10,717,766,747.08/116,794.42
  6. Step 6: Final answer
    x = 91,766.09

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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.