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Finding the Fourth Proportional to 127,383.82, 175,828.82 and 82,061.66

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Solution

The fourth proportional to 127,383.82, 175,828.82 and 82,061.66 is: 113,270.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,383.82 : 175,828.82 = 82,061.66 : x
  2. Step 2: Convert to fraction form
    127,383.82/175,828.82 = 82,061.66/x
  3. Step 3: Cross multiply
    127,383.82x = 175,828.82 × 82,061.66
  4. Step 4: Simplify right side
    127,383.82x = 14,428,804,874.30
  5. Step 5: Solve for x
    x = 14,428,804,874.30/127,383.82
  6. Step 6: Final answer
    x = 113,270.31

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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.