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Finding the Fourth Proportional to 68,692.91, 103,077.63 and 37,102.32

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Solution

The fourth proportional to 68,692.91, 103,077.63 and 37,102.32 is: 55,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,692.91 : 103,077.63 = 37,102.32 : x
  2. Step 2: Convert to fraction form
    68,692.91/103,077.63 = 37,102.32/x
  3. Step 3: Cross multiply
    68,692.91x = 103,077.63 × 37,102.32
  4. Step 4: Simplify right side
    68,692.91x = 3,824,419,213.10
  5. Step 5: Solve for x
    x = 3,824,419,213.10/68,692.91
  6. Step 6: Final answer
    x = 55,674.15

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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.