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Finding the Fourth Proportional to 222,789.66, 307,441.17 and 120,813.26

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Solution

The fourth proportional to 222,789.66, 307,441.17 and 120,813.26 is: 166,717.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,789.66 : 307,441.17 = 120,813.26 : x
  2. Step 2: Convert to fraction form
    222,789.66/307,441.17 = 120,813.26/x
  3. Step 3: Cross multiply
    222,789.66x = 307,441.17 × 120,813.26
  4. Step 4: Simplify right side
    222,789.66x = 37,142,968,468.71
  5. Step 5: Solve for x
    x = 37,142,968,468.71/222,789.66
  6. Step 6: Final answer
    x = 166,717.65

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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.