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Finding the Fourth Proportional to 195,357.72, 269,593.74 and 109,317.72

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Solution

The fourth proportional to 195,357.72, 269,593.74 and 109,317.72 is: 150,858.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,357.72 : 269,593.74 = 109,317.72 : x
  2. Step 2: Convert to fraction form
    195,357.72/269,593.74 = 109,317.72/x
  3. Step 3: Cross multiply
    195,357.72x = 269,593.74 × 109,317.72
  4. Step 4: Simplify right side
    195,357.72x = 29,471,372,983.07
  5. Step 5: Solve for x
    x = 29,471,372,983.07/195,357.72
  6. Step 6: Final answer
    x = 150,858.50

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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.