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Finding the Fourth Proportional to 327,145.04, 490,717.52 and 105,529.04

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Solution

The fourth proportional to 327,145.04, 490,717.52 and 105,529.04 is: 158,293.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,145.04 : 490,717.52 = 105,529.04 : x
  2. Step 2: Convert to fraction form
    327,145.04/490,717.52 = 105,529.04/x
  3. Step 3: Cross multiply
    327,145.04x = 490,717.52 × 105,529.04
  4. Step 4: Simplify right side
    327,145.04x = 51,784,948,796.78
  5. Step 5: Solve for x
    x = 51,784,948,796.78/327,145.04
  6. Step 6: Final answer
    x = 158,293.55

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Why These Related Problems?

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