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Finding the Fourth Proportional to 116,797.44, 161,181.68 and 66,499.68

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Solution

The fourth proportional to 116,797.44, 161,181.68 and 66,499.68 is: 91,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,797.44 : 161,181.68 = 66,499.68 : x
  2. Step 2: Convert to fraction form
    116,797.44/161,181.68 = 66,499.68/x
  3. Step 3: Cross multiply
    116,797.44x = 161,181.68 × 66,499.68
  4. Step 4: Simplify right side
    116,797.44x = 10,718,530,141.86
  5. Step 5: Solve for x
    x = 10,718,530,141.86/116,797.44
  6. Step 6: Final answer
    x = 91,770.25

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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.