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Finding the Fourth Proportional to 323,598.26, 485,616.10 and 113,238.02

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Solution

The fourth proportional to 323,598.26, 485,616.10 and 113,238.02 is: 169,933.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,598.26 : 485,616.10 = 113,238.02 : x
  2. Step 2: Convert to fraction form
    323,598.26/485,616.10 = 113,238.02/x
  3. Step 3: Cross multiply
    323,598.26x = 485,616.10 × 113,238.02
  4. Step 4: Simplify right side
    323,598.26x = 54,990,205,644.12
  5. Step 5: Solve for x
    x = 54,990,205,644.12/323,598.26
  6. Step 6: Final answer
    x = 169,933.56

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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.