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Finding the Fourth Proportional to 323,199.48, 484,832.32 and 123,687.68

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Solution

The fourth proportional to 323,199.48, 484,832.32 and 123,687.68 is: 185,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,199.48 : 484,832.32 = 123,687.68 : x
  2. Step 2: Convert to fraction form
    323,199.48/484,832.32 = 123,687.68/x
  3. Step 3: Cross multiply
    323,199.48x = 484,832.32 × 123,687.68
  4. Step 4: Simplify right side
    323,199.48x = 59,967,784,849.82
  5. Step 5: Solve for x
    x = 59,967,784,849.82/323,199.48
  6. Step 6: Final answer
    x = 185,544.19

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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.