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Finding the Fourth Proportional to 195,131.52, 269,326.49 and 127,029.88

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Solution

The fourth proportional to 195,131.52, 269,326.49 and 127,029.88 is: 175,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,131.52 : 269,326.49 = 127,029.88 : x
  2. Step 2: Convert to fraction form
    195,131.52/269,326.49 = 127,029.88/x
  3. Step 3: Cross multiply
    195,131.52x = 269,326.49 × 127,029.88
  4. Step 4: Simplify right side
    195,131.52x = 34,212,511,349.78
  5. Step 5: Solve for x
    x = 34,212,511,349.78/195,131.52
  6. Step 6: Final answer
    x = 175,330.52

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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.