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Finding the Fourth Proportional to 68,906.22, 95,100.90 and 42,064.29

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Solution

The fourth proportional to 68,906.22, 95,100.90 and 42,064.29 is: 58,055.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,906.22 : 95,100.90 = 42,064.29 : x
  2. Step 2: Convert to fraction form
    68,906.22/95,100.90 = 42,064.29/x
  3. Step 3: Cross multiply
    68,906.22x = 95,100.90 × 42,064.29
  4. Step 4: Simplify right side
    68,906.22x = 4,000,351,361.36
  5. Step 5: Solve for x
    x = 4,000,351,361.36/68,906.22
  6. Step 6: Final answer
    x = 58,055.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.