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Finding the Fourth Proportional to 168,863.18, 253,044.11 and 93,880.17

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Solution

The fourth proportional to 168,863.18, 253,044.11 and 93,880.17 is: 140,680.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,863.18 : 253,044.11 = 93,880.17 : x
  2. Step 2: Convert to fraction form
    168,863.18/253,044.11 = 93,880.17/x
  3. Step 3: Cross multiply
    168,863.18x = 253,044.11 × 93,880.17
  4. Step 4: Simplify right side
    168,863.18x = 23,755,823,594.90
  5. Step 5: Solve for x
    x = 23,755,823,594.90/168,863.18
  6. Step 6: Final answer
    x = 140,680.90

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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.