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Finding the Fourth Proportional to 68,952.72, 103,445.28 and 22,203.84

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Solution

The fourth proportional to 68,952.72, 103,445.28 and 22,203.84 is: 33,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952.72 : 103,445.28 = 22,203.84 : x
  2. Step 2: Convert to fraction form
    68,952.72/103,445.28 = 22,203.84/x
  3. Step 3: Cross multiply
    68,952.72x = 103,445.28 × 22,203.84
  4. Step 4: Simplify right side
    68,952.72x = 2,296,882,445.88
  5. Step 5: Solve for x
    x = 2,296,882,445.88/68,952.72
  6. Step 6: Final answer
    x = 33,310.98

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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.