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Finding the Fourth Proportional to 68,103.36, 102,250.64 and 34,847.28

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Solution

The fourth proportional to 68,103.36, 102,250.64 and 34,847.28 is: 52,319.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,103.36 : 102,250.64 = 34,847.28 : x
  2. Step 2: Convert to fraction form
    68,103.36/102,250.64 = 34,847.28/x
  3. Step 3: Cross multiply
    68,103.36x = 102,250.64 × 34,847.28
  4. Step 4: Simplify right side
    68,103.36x = 3,563,156,682.26
  5. Step 5: Solve for x
    x = 3,563,156,682.26/68,103.36
  6. Step 6: Final answer
    x = 52,319.84

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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.