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Finding the Fourth Proportional to 325,880.98, 488,728.17 and 112,593.11

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Solution

The fourth proportional to 325,880.98, 488,728.17 and 112,593.11 is: 168,857.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,880.98 : 488,728.17 = 112,593.11 : x
  2. Step 2: Convert to fraction form
    325,880.98/488,728.17 = 112,593.11/x
  3. Step 3: Cross multiply
    325,880.98x = 488,728.17 × 112,593.11
  4. Step 4: Simplify right side
    325,880.98x = 55,027,422,161.27
  5. Step 5: Solve for x
    x = 55,027,422,161.27/325,880.98
  6. Step 6: Final answer
    x = 168,857.42

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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.