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Finding the Fourth Proportional to 323,910.24, 485,865.36 and 166,038

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Solution

The fourth proportional to 323,910.24, 485,865.36 and 166,038 is: 249,057.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,910.24 : 485,865.36 = 166,038 : x
  2. Step 2: Convert to fraction form
    323,910.24/485,865.36 = 166,038/x
  3. Step 3: Cross multiply
    323,910.24x = 485,865.36 × 166,038
  4. Step 4: Simplify right side
    323,910.24x = 80,672,112,643.68
  5. Step 5: Solve for x
    x = 80,672,112,643.68/323,910.24
  6. Step 6: Final answer
    x = 249,057.00

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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.