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Finding the Fourth Proportional to 323,852.55, 485,764.83 and 110,639.49

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Solution

The fourth proportional to 323,852.55, 485,764.83 and 110,639.49 is: 165,954.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,852.55 : 485,764.83 = 110,639.49 : x
  2. Step 2: Convert to fraction form
    323,852.55/485,764.83 = 110,639.49/x
  3. Step 3: Cross multiply
    323,852.55x = 485,764.83 × 110,639.49
  4. Step 4: Simplify right side
    323,852.55x = 53,744,771,229.52
  5. Step 5: Solve for x
    x = 53,744,771,229.52/323,852.55
  6. Step 6: Final answer
    x = 165,954.45

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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.