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Finding the Fourth Proportional to 163,080.80, 244,426.80 and 68,310.80

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Solution

The fourth proportional to 163,080.80, 244,426.80 and 68,310.80 is: 102,384.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,080.80 : 244,426.80 = 68,310.80 : x
  2. Step 2: Convert to fraction form
    163,080.80/244,426.80 = 68,310.80/x
  3. Step 3: Cross multiply
    163,080.80x = 244,426.80 × 68,310.80
  4. Step 4: Simplify right side
    163,080.80x = 16,696,990,249.44
  5. Step 5: Solve for x
    x = 16,696,990,249.44/163,080.80
  6. Step 6: Final answer
    x = 102,384.77

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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.