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Finding the Fourth Proportional to 323,599.26, 485,617.59 and 113,239.02

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Solution

The fourth proportional to 323,599.26, 485,617.59 and 113,239.02 is: 169,935.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,599.26 : 485,617.59 = 113,239.02 : x
  2. Step 2: Convert to fraction form
    323,599.26/485,617.59 = 113,239.02/x
  3. Step 3: Cross multiply
    323,599.26x = 485,617.59 × 113,239.02
  4. Step 4: Simplify right side
    323,599.26x = 54,990,859,986.36
  5. Step 5: Solve for x
    x = 54,990,859,986.36/323,599.26
  6. Step 6: Final answer
    x = 169,935.06

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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.