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Finding the Fourth Proportional to 68,773.37, 103,169.23 and 27,210.65

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Solution

The fourth proportional to 68,773.37, 103,169.23 and 27,210.65 is: 40,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,773.37 : 103,169.23 = 27,210.65 : x
  2. Step 2: Convert to fraction form
    68,773.37/103,169.23 = 27,210.65/x
  3. Step 3: Cross multiply
    68,773.37x = 103,169.23 × 27,210.65
  4. Step 4: Simplify right side
    68,773.37x = 2,807,301,224.43
  5. Step 5: Solve for x
    x = 2,807,301,224.43/68,773.37
  6. Step 6: Final answer
    x = 40,819.60

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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.