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Finding the Fourth Proportional to 68,888.25, 103,236.15 and 37,230.07

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Solution

The fourth proportional to 68,888.25, 103,236.15 and 37,230.07 is: 55,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,888.25 : 103,236.15 = 37,230.07 : x
  2. Step 2: Convert to fraction form
    68,888.25/103,236.15 = 37,230.07/x
  3. Step 3: Cross multiply
    68,888.25x = 103,236.15 × 37,230.07
  4. Step 4: Simplify right side
    68,888.25x = 3,843,489,091.03
  5. Step 5: Solve for x
    x = 3,843,489,091.03/68,888.25
  6. Step 6: Final answer
    x = 55,793.10

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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.