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Finding the Fourth Proportional to 161,277.91, 222,571.11 and 89,659.13

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Solution

The fourth proportional to 161,277.91, 222,571.11 and 89,659.13 is: 123,733.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,277.91 : 222,571.11 = 89,659.13 : x
  2. Step 2: Convert to fraction form
    161,277.91/222,571.11 = 89,659.13/x
  3. Step 3: Cross multiply
    161,277.91x = 222,571.11 × 89,659.13
  4. Step 4: Simplify right side
    161,277.91x = 19,955,530,972.88
  5. Step 5: Solve for x
    x = 19,955,530,972.88/161,277.91
  6. Step 6: Final answer
    x = 123,733.81

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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.