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Finding the Fourth Proportional to 68,967.12, 103,467.96 and 22,218.96

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Solution

The fourth proportional to 68,967.12, 103,467.96 and 22,218.96 is: 33,334.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,967.12 : 103,467.96 = 22,218.96 : x
  2. Step 2: Convert to fraction form
    68,967.12/103,467.96 = 22,218.96/x
  3. Step 3: Cross multiply
    68,967.12x = 103,467.96 × 22,218.96
  4. Step 4: Simplify right side
    68,967.12x = 2,298,950,464.52
  5. Step 5: Solve for x
    x = 2,298,950,464.52/68,967.12
  6. Step 6: Final answer
    x = 33,334.01

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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.