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Finding the Fourth Proportional to 223,896.96, 308,452.25 and 155,796.82

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Solution

The fourth proportional to 223,896.96, 308,452.25 and 155,796.82 is: 214,633.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,896.96 : 308,452.25 = 155,796.82 : x
  2. Step 2: Convert to fraction form
    223,896.96/308,452.25 = 155,796.82/x
  3. Step 3: Cross multiply
    223,896.96x = 308,452.25 × 155,796.82
  4. Step 4: Simplify right side
    223,896.96x = 48,055,879,290.21
  5. Step 5: Solve for x
    x = 48,055,879,290.21/223,896.96
  6. Step 6: Final answer
    x = 214,633.91

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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.