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Finding the Fourth Proportional to 323,866.05, 485,854.44 and 110,622.25

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Solution

The fourth proportional to 323,866.05, 485,854.44 and 110,622.25 is: 165,952.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,866.05 : 485,854.44 = 110,622.25 : x
  2. Step 2: Convert to fraction form
    323,866.05/485,854.44 = 110,622.25/x
  3. Step 3: Cross multiply
    323,866.05x = 485,854.44 × 110,622.25
  4. Step 4: Simplify right side
    323,866.05x = 53,746,311,325.29
  5. Step 5: Solve for x
    x = 53,746,311,325.29/323,866.05
  6. Step 6: Final answer
    x = 165,952.29

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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.