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Finding the Fourth Proportional to 363,129.75, 501,119.06 and 204,153.75

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Solution

The fourth proportional to 363,129.75, 501,119.06 and 204,153.75 is: 281,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,129.75 : 501,119.06 = 204,153.75 : x
  2. Step 2: Convert to fraction form
    363,129.75/501,119.06 = 204,153.75/x
  3. Step 3: Cross multiply
    363,129.75x = 501,119.06 × 204,153.75
  4. Step 4: Simplify right side
    363,129.75x = 102,305,334,274.71
  5. Step 5: Solve for x
    x = 102,305,334,274.71/363,129.75
  6. Step 6: Final answer
    x = 281,732.18

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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.