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Finding the Fourth Proportional to 230,634.56, 345,328.64 and 119,593.28

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Solution

The fourth proportional to 230,634.56, 345,328.64 and 119,593.28 is: 179,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,634.56 : 345,328.64 = 119,593.28 : x
  2. Step 2: Convert to fraction form
    230,634.56/345,328.64 = 119,593.28/x
  3. Step 3: Cross multiply
    230,634.56x = 345,328.64 × 119,593.28
  4. Step 4: Simplify right side
    230,634.56x = 41,298,984,735.54
  5. Step 5: Solve for x
    x = 41,298,984,735.54/230,634.56
  6. Step 6: Final answer
    x = 179,066.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.