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Finding the Fourth Proportional to 243,747.29, 365,629.03 and 83,821.65

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Solution

The fourth proportional to 243,747.29, 365,629.03 and 83,821.65 is: 125,735.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,747.29 : 365,629.03 = 83,821.65 : x
  2. Step 2: Convert to fraction form
    243,747.29/365,629.03 = 83,821.65/x
  3. Step 3: Cross multiply
    243,747.29x = 365,629.03 × 83,821.65
  4. Step 4: Simplify right side
    243,747.29x = 30,647,627,001.84
  5. Step 5: Solve for x
    x = 30,647,627,001.84/243,747.29
  6. Step 6: Final answer
    x = 125,735.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.