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Finding the Fourth Proportional to 202,581.52, 279,548.16 and 111,936.52

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Solution

The fourth proportional to 202,581.52, 279,548.16 and 111,936.52 is: 154,464.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,581.52 : 279,548.16 = 111,936.52 : x
  2. Step 2: Convert to fraction form
    202,581.52/279,548.16 = 111,936.52/x
  3. Step 3: Cross multiply
    202,581.52x = 279,548.16 × 111,936.52
  4. Step 4: Simplify right side
    202,581.52x = 31,291,648,202.80
  5. Step 5: Solve for x
    x = 31,291,648,202.80/202,581.52
  6. Step 6: Final answer
    x = 154,464.48

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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.