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Finding the Fourth Proportional to 192,551.70, 288,520.35 and 161,217.30

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Solution

The fourth proportional to 192,551.70, 288,520.35 and 161,217.30 is: 241,568.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,551.70 : 288,520.35 = 161,217.30 : x
  2. Step 2: Convert to fraction form
    192,551.70/288,520.35 = 161,217.30/x
  3. Step 3: Cross multiply
    192,551.70x = 288,520.35 × 161,217.30
  4. Step 4: Simplify right side
    192,551.70x = 46,514,471,822.06
  5. Step 5: Solve for x
    x = 46,514,471,822.06/192,551.70
  6. Step 6: Final answer
    x = 241,568.74

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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.