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Finding the Fourth Proportional to 323,959.60, 486,087.09 and 166,298.86

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Solution

The fourth proportional to 323,959.60, 486,087.09 and 166,298.86 is: 249,524.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,959.60 : 486,087.09 = 166,298.86 : x
  2. Step 2: Convert to fraction form
    323,959.60/486,087.09 = 166,298.86/x
  3. Step 3: Cross multiply
    323,959.60x = 486,087.09 × 166,298.86
  4. Step 4: Simplify right side
    323,959.60x = 80,835,725,665.79
  5. Step 5: Solve for x
    x = 80,835,725,665.79/323,959.60
  6. Step 6: Final answer
    x = 249,524.10

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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.