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Finding the Fourth Proportional to 195,391.98, 269,655.44 and 109,359.59

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Solution

The fourth proportional to 195,391.98, 269,655.44 and 109,359.59 is: 150,924.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,391.98 : 269,655.44 = 109,359.59 : x
  2. Step 2: Convert to fraction form
    195,391.98/269,655.44 = 109,359.59/x
  3. Step 3: Cross multiply
    195,391.98x = 269,655.44 × 109,359.59
  4. Step 4: Simplify right side
    195,391.98x = 29,489,406,464.59
  5. Step 5: Solve for x
    x = 29,489,406,464.59/195,391.98
  6. Step 6: Final answer
    x = 150,924.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.