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Finding the Fourth Proportional to 169,212.87, 233,451.96 and 101,231.79

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Solution

The fourth proportional to 169,212.87, 233,451.96 and 101,231.79 is: 139,662.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,212.87 : 233,451.96 = 101,231.79 : x
  2. Step 2: Convert to fraction form
    169,212.87/233,451.96 = 101,231.79/x
  3. Step 3: Cross multiply
    169,212.87x = 233,451.96 × 101,231.79
  4. Step 4: Simplify right side
    169,212.87x = 23,632,759,789.81
  5. Step 5: Solve for x
    x = 23,632,759,789.81/169,212.87
  6. Step 6: Final answer
    x = 139,662.90

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.