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Finding the Fourth Proportional to 274,645.44, 378,945.36 and 167,214.24

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Solution

The fourth proportional to 274,645.44, 378,945.36 and 167,214.24 is: 230,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,645.44 : 378,945.36 = 167,214.24 : x
  2. Step 2: Convert to fraction form
    274,645.44/378,945.36 = 167,214.24/x
  3. Step 3: Cross multiply
    274,645.44x = 378,945.36 × 167,214.24
  4. Step 4: Simplify right side
    274,645.44x = 63,365,060,373.93
  5. Step 5: Solve for x
    x = 63,365,060,373.93/274,645.44
  6. Step 6: Final answer
    x = 230,715.87

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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.