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Finding the Fourth Proportional to 68,851.82, 103,277.73 and 22,137.50

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Solution

The fourth proportional to 68,851.82, 103,277.73 and 22,137.50 is: 33,206.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,851.82 : 103,277.73 = 22,137.50 : x
  2. Step 2: Convert to fraction form
    68,851.82/103,277.73 = 22,137.50/x
  3. Step 3: Cross multiply
    68,851.82x = 103,277.73 × 22,137.50
  4. Step 4: Simplify right side
    68,851.82x = 2,286,310,231.49
  5. Step 5: Solve for x
    x = 2,286,310,231.49/68,851.82
  6. Step 6: Final answer
    x = 33,206.24

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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.