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Finding the Fourth Proportional to 168,340.68, 252,363.15 and 68,584.77

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Solution

The fourth proportional to 168,340.68, 252,363.15 and 68,584.77 is: 102,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,340.68 : 252,363.15 = 68,584.77 : x
  2. Step 2: Convert to fraction form
    168,340.68/252,363.15 = 68,584.77/x
  3. Step 3: Cross multiply
    168,340.68x = 252,363.15 × 68,584.77
  4. Step 4: Simplify right side
    168,340.68x = 17,308,268,599.23
  5. Step 5: Solve for x
    x = 17,308,268,599.23/168,340.68
  6. Step 6: Final answer
    x = 102,816.91

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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.